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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MUHARREM YAZICI MD</PersonNm>
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        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>CHRISTOPHER I SHAFFREY MD</PersonNm>
        <TitleTxt>PRESIDENT ELECT</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN T SMITH MD</PersonNm>
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        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <TotalReportableCompFromOrgAmt>0</TotalReportableCompFromOrgAmt>
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      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>EXECUTIVE DIRECTOR INC</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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            <StateAbbreviationCd>WI</StateAbbreviationCd>
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        </ContractorAddress>
        <ServicesDesc>MANAGEMENT</ServicesDesc>
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      <CntrctRcvdGreaterThan100KCnt>1</CntrctRcvdGreaterThan100KCnt>
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      <TotalContributionsAmt>1267676</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>ANNUAL MTNGS &amp; WORKSHO</Desc>
        <BusinessCd>541900</BusinessCd>
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      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES &amp; ASSE</Desc>
        <BusinessCd>541900</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>494030</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>JOURNAL</Desc>
        <BusinessCd>541900</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>68611</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>HOW FEES</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>45000</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>45000</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>M&amp;M REPORTS</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>28150</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>28150</RelatedOrExemptFuncIncomeAmt>
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      <TotalOthProgramServiceRevGrp>
        <TotalRevenueColumnAmt>21000</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>21000</RelatedOrExemptFuncIncomeAmt>
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      <TotalProgramServiceRevenueAmt>1169229</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>262971</TotalRevenueColumnAmt>
        <ExclusionAmt>262971</ExclusionAmt>
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      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>439540</SecuritiesAmt>
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      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>0</SecuritiesAmt>
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      <GainOrLossGrp>
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      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>439540</TotalRevenueColumnAmt>
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      <NetIncomeOrLossGrp>
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      <OtherRevenueMiscGrp>
        <Desc>OTHER REVENUE</Desc>
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      <OtherRevenueTotalAmt>109510</OtherRevenueTotalAmt>
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        <ExclusionAmt>262971</ExclusionAmt>
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      <GrantsToDomesticOrgsGrp>
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      <GrantsToDomesticIndividualsGrp>
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        <ProgramServicesAmt>5771</ProgramServicesAmt>
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        <TotalAmt>125816</TotalAmt>
        <ProgramServicesAmt>125816</ProgramServicesAmt>
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      <FeesForServicesManagementGrp>
        <TotalAmt>1103284</TotalAmt>
        <ProgramServicesAmt>726996</ProgramServicesAmt>
        <ManagementAndGeneralAmt>376288</ManagementAndGeneralAmt>
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      <FeesForServicesLegalGrp>
        <TotalAmt>82</TotalAmt>
        <ManagementAndGeneralAmt>82</ManagementAndGeneralAmt>
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      <FeesForServicesAccountingGrp>
        <TotalAmt>11750</TotalAmt>
        <ManagementAndGeneralAmt>11750</ManagementAndGeneralAmt>
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      <FeesForSrvcInvstMgmntFeesGrp>
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        <ManagementAndGeneralAmt>73084</ManagementAndGeneralAmt>
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        <TotalAmt>31270</TotalAmt>
        <ProgramServicesAmt>31270</ProgramServicesAmt>
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        <TotalAmt>5140</TotalAmt>
        <ProgramServicesAmt>2014</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3126</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>64882</ProgramServicesAmt>
        <ManagementAndGeneralAmt>24160</ManagementAndGeneralAmt>
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      <InformationTechnologyGrp>
        <TotalAmt>51844</TotalAmt>
        <ProgramServicesAmt>26991</ProgramServicesAmt>
        <ManagementAndGeneralAmt>24853</ManagementAndGeneralAmt>
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      <TravelGrp>
        <TotalAmt>38159</TotalAmt>
        <ProgramServicesAmt>37673</ProgramServicesAmt>
        <ManagementAndGeneralAmt>486</ManagementAndGeneralAmt>
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      <ConferencesMeetingsGrp>
        <TotalAmt>439547</TotalAmt>
        <ProgramServicesAmt>345993</ProgramServicesAmt>
        <ManagementAndGeneralAmt>93554</ManagementAndGeneralAmt>
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      <DepreciationDepletionGrp>
        <TotalAmt>6905</TotalAmt>
        <ProgramServicesAmt>6905</ProgramServicesAmt>
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      <InsuranceGrp>
        <TotalAmt>21825</TotalAmt>
        <ProgramServicesAmt>9040</ProgramServicesAmt>
        <ManagementAndGeneralAmt>12785</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>PRODUCTS AND PUBLICATIO</Desc>
        <TotalAmt>164757</TotalAmt>
        <ProgramServicesAmt>164757</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>OTHER EXPENSES</Desc>
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        <ProgramServicesAmt>4849</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6431</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>OUTREACH/TRAVELING FELL</Desc>
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        <ProgramServicesAmt>10346</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>MORBIDITY AND MORTALITY</Desc>
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        <ManagementAndGeneralAmt>2960</ManagementAndGeneralAmt>
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      <AllOtherExpensesGrp>
        <TotalAmt>4548</TotalAmt>
        <ProgramServicesAmt>2576</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1972</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>2112505</ProgramServicesAmt>
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        <EOYAmt>72797</EOYAmt>
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        <EOYAmt>533999</EOYAmt>
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        <EOYAmt>718236</EOYAmt>
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        <EOYAmt>17367746</EOYAmt>
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        <EOYAmt>210156</EOYAmt>
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        <EOYAmt>191390</EOYAmt>
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        <EOYAmt>401546</EOYAmt>
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        <EOYAmt>15899706</EOYAmt>
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      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>924227</BOYAmt>
        <EOYAmt>1066494</EOYAmt>
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        <BOYAmt>15426500</BOYAmt>
        <EOYAmt>16966200</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>15810968</BOYAmt>
        <EOYAmt>17367746</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>506072</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>1008164</NetUnrlzdGainsLossesInvstAmt>
      <PriorPeriodAdjustmentsAmt>25464</PriorPeriodAdjustmentsAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
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      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>2245842</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1939751</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2500368</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2495620</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1761706</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus3YearsAmt>1939751</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2500368</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2495620</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1761706</CurrentTaxYearAmt>
        <TotalAmt>10943287</TotalAmt>
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      <SubstantialContributorsTotAmt>712188</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>10231099</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>122106</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>137442</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>245443</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>256432</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>262971</CurrentTaxYearAmt>
        <TotalAmt>1024394</TotalAmt>
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      <UnrelatedBusinessNetIncm170Grp>
        <CurrentTaxYearMinus4YearsAmt>165500</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>225000</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>265000</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>259500</CurrentTaxYearMinus1YearAmt>
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      <PublicSupportPY170Pct>0.39920</PublicSupportPY170Pct>
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      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER REVENUE - 2016 AMOUNT: $ 15,886. 2017 AMOUNT: $ 20,811. 2018 AMOUNT: $ 25,792. 2019 AMOUNT: $ 9,664. 2020 AMOUNT: $ 29,010. GROSS RECEIPTS FROM RELATED ACTIVITIES - 2016 AMOUNT: $ 2,405,533. 2017 AMOUNT: $ 2,421,969. 2018 AMOUNT: $ 2,615,741. 2019 AMOUNT: $ 2,618,634. 2020 AMOUNT: $ 675,199.</ExplanationTxt>
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        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
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        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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      <DisclosedForCharitablePrpsInd>1</DisclosedForCharitablePrpsInd>
      <TotalBookValueLandBuildingsAmt>0</TotalBookValueLandBuildingsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
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      <NetUnrealizedGainsInvstAmt>1008164</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>1008164</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>3177024</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>73084</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>73084</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>3250108</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>2670952</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>2670952</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>73084</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>73084</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>2744036</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>RELYING ON PROFITS FROM MEETINGS AND DONATIONS FROM MEMBERS AND MEDICAL COMPANIES EACH YEAR, THE SRS BEGAN LIMITED RESEARCH FUNDING IN 1980. IN THE LATE 1980'S, SRS LEADERS DECIDED TO ESTABLISH A RESEARCH ENDOWMENT FUND IN ORDER TO GUARANTEE THE AVAILABLITY OF FUNDS FOR SCOLIOSIS RESEARCH. MOSTLY THROUGH DONATIONS FROM SRS MEMBERS, A GOAL OF $1.2 MILLION WAS REACHED IN 1992. INCOME FROM THIS FUND HAS BEEN USED EACH YEAR TO FUND PROJECTS SELECTED THROUGH A PEER-REVIEWED GRANT APPLICATION PROCESS. GRANT RECIPIENTS ARE REQUIRED TO PROVIDE REGULAR FINANCIAL REPORTS AND TO REPORT ON THE RESULTS OF THEIR RESEARCH AT AN SRS MEETING.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION IS EXEMPT FROM INCOME TAX UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE AND IS CLASSIFIED AS OTHER THAN A PRIVATE FOUNDATION. HOWEVER, INCOME FROM CERTAIN ACTIVITIES (PRIMARILY ADVERTISING INCOME) NOT DIRECTLY RELATED TO THE ORGANIZATION'S TAX-EXEMPT PURPOSE IS SUBJECT TO TAXATION AS UNRELATED BUSINESS INCOME. AS OF DECEMBER 31, 2020, THE ORGANIZATION HAD A TAX ASSET OF $20,205 FOR ESTIMATED PAYMENTS IN EXCESS OF ACTUAL UNRELATED BUSINESS INCOME TAX (UBIT). ESTIMATED TAX PAYMENTS AND PRIOR YEAR OVERPAYMENTS APPLIED TO 2020 TAX TOTALED $22,177. TOTAL UNRELATED BUSINESS INCOME TAX EXPENSE FOR THE YEAR ENDED DECEMBER 31, 2020, WAS $1,972. MANAGEMENT HAS REVIEWED ALL TAX POSITIONS RECOGNIZED IN PREVIOUSLY FILED TAX RETURNS IN THE U.S. FEDERAL AND STATE JURISDICTIONS AND THOSE EXPECTED TO BE TAKEN IN FUTURE TAX RETURNS. AS OF DECEMBER 31, 2020, THE ORGANIZATION HAD NO AMOUNTS RELATED TO UNRECOGNIZED INCOME TAX BENEFITS AND NO AMOUNTS RELATED TO ACCRUED INTEREST AND PENALTIES. THE ORGANIZATION DOES NOT ANTICIPATE ANY SIGNIFICANT CHANGES TO UNRECOGNIZED INCOME TAX BENEFITS OVER THE NEXT YEAR.</ExplanationTxt>
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      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA &amp; THE PACIFIC</RegionTxt>
        <TypeOfActivitiesConductedTxt>GRANTS TO RECIPIENTS LOCATED IN REGION</TypeOfActivitiesConductedTxt>
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      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <TypeOfActivitiesConductedTxt>GRANTS TO RECIPIENTS LOCATED IN REGION</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>73766</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SOUTH ASIA</RegionTxt>
        <TypeOfActivitiesConductedTxt>GRANTS TO RECIPIENTS LOCATED IN REGION</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>2750</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <TypeOfActivitiesConductedTxt>GRANTS TO RECIPIENTS LOCATED IN REGION</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>27500</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>CURRENT CONCEPTS IN SPINE DEFORMITY</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>35849</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>161665</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>161665</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
        <CashGrantAmt>19866</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EAST ASIA &amp; THE PACIFIC</RegionTxt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
        <CashGrantAmt>20000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
        <CashGrantAmt>20000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
        <CashGrantAmt>7500</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
        <CashGrantAmt>20000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
        <CashGrantAmt>12000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
        <CashGrantAmt>20000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <Total501c3OrgCnt>7</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>WRITTEN APPLICATIONS SUBMITTED ARE REVIEWED BY THE RESEARCH GRANT OR AWARDS COMMITTEE. THOSE WHO RECEIVE RESEARCH GRANTS MUST ACKNOWLEDGE THAT THEY WILL SUBMIT WRITTEN PROGRESS AND FINANCIAL REPORTS AND THAT "IF FOR ANY REASON THE PROJECT FOR WHICH THE FUNDS WERE ALLOCATED CANNOT BE UNDERTAKEN WITHIN 12 MONTHS A FULL REFUND OF THE GRANT MONEY WILL BE MADE TO THE SRS," PRIOR TO DISTRIBUTION OF ANY FUNDS. SRS HAS A SPECIFIC GRANT REPORT FORM THAT IS TO BE COMPLETED AND COPIES OF THE GRANT REPORTS ARE KEPT IN SRS FILES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III ACCOUNTING METHOD:</FormAndLineReferenceDesc>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 9</AddressLine1Txt>
          <CityNm>ALBANY</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>122010009</ZIPCd>
        </USAddress>
        <RecipientEIN>141368361</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>7500</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>RESEARCH GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>AMERICAN ACADEMY OF ORTHOPAEDIC SURGRONS</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>9400 W HIGGINS RD</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <RecipientEIN>362110592</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>15000</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>BOARD OF SPECIALTY SOCIETIES SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>STANFORD UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 44253</AddressLine1Txt>
          <CityNm>SAN FRANCISCO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>941444253</ZIPCd>
        </USAddress>
        <RecipientEIN>941156365</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>32000</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>RESEARCH GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE CHILDREN'S HOSPITAL CORPORATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>300 LONGWOOD AVENUE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>021155724</ZIPCd>
        </USAddress>
        <RecipientEIN>042774441</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>11838</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>RESEARCH GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>NEW YORK UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>70 WASHINGTON SQUARE SOUTH</AddressLine1Txt>
          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10012</ZIPCd>
        </USAddress>
        <RecipientEIN>135562308</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>7500</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>RESEARCH GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>INTERNATIONAL SPINE STUDY GROUP FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>15480 IOLA ST</AddressLine1Txt>
          <CityNm>BRIGHTON</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80602</ZIPCd>
        </USAddress>
        <RecipientEIN>271833811</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>344392</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>ASLS II STUDY FUNDING</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MAYO CLINIC RESEARCH</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>200 FIRST STREET SW</AddressLine1Txt>
          <CityNm>ROCHESTER</CityNm>
          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>55902</ZIPCd>
        </USAddress>
        <RecipientEIN>416011702</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>5272</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>RESEARCH GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>ORTHOPAEDIC RESEARCH AND EDUCATION FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>9400 W HIGGINS RD STE 215</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>600184975</ZIPCd>
        </USAddress>
        <RecipientEIN>366009467</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>42500</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>SPINE COLLABORATIVE RESEARCH FUNDING</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>STRAIGHT FORWARD SCOLIOSIS FOUNDATION INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>685 MONROE ST TOP FLOOR</AddressLine1Txt>
          <CityNm>BROOKLYN</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>112212813</ZIPCd>
        </USAddress>
        <RecipientEIN>812827904</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>10000</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>STRAIGHTFORWARD CAMPAIGN SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE REGENTS OF THE UNIVERSITY OF COLORADO</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1800 N GRANT ST STE 600</AddressLine1Txt>
          <CityNm>DENVER</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80203</ZIPCd>
        </USAddress>
        <RecipientEIN>846000555</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>20000</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>RESEARCH GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>TRUSTEES OF COLUMBIA UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>622 W 113TH STREET</AddressLine1Txt>
          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10025</ZIPCd>
        </USAddress>
        <RecipientEIN>135598093</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>35000</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>RESEARCH GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>WASHINGTON UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>660 S EUCLID AVE</AddressLine1Txt>
          <CityNm>ST LOUIS</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>63110</ZIPCd>
        </USAddress>
        <RecipientEIN>430653611</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>7500</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>RESEARCH GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>12</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>WRITTEN APPLICATIONS SUBMITTED ARE REVIEWED BY THE RESEARCH GRANT OR AWARDS COMMITTEE. THOSE WHO RECEIVE RESEARCH GRANTS MUST ACKNOWLEDGE THAT THEY WILL SUBMIT WRITTEN PROGRESS AND FINANCIAL REPORTS AND THAT "IF FOR ANY REASON THE PROJECT FOR WHICH THE FUNDS WERE ALLOCATED CANNOT BE UNDERTAKEN WITHIN 12 MONTHS A FULL REFUND OF THE GRANT MONEY WILL BE MADE TO THE SRS," PRIOR TO DISTRIBUTION OF ANY FUNDS. SRS HAS A SPECIFIC GRANT REPORT FORM THAT IS TO BE COMPLETED AND COPIES OF THE GRANT REPORTS ARE KEPT IN SRS FILES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>AS A RESULT OF COVID-19 VARIOUS MEETINGS/COURSES WERE CANCELLED, POSTONED OR HELD VIRTUALLY RATHER THAN IN-PERSON.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>LINE 3 EXPLANATION - SRS IS CONTRACTED WITH EXECUTIVE DIRECTOR, INC. (EDI) TO PROVIDE ASSOCIATION MANAGEMENT SERVICES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>LINE 6 EXPLANATION - SRS HAS SIX CLASSES OF MEMBERSHIP (REFERRED TO AS "FELLOWSHIP") NAMELY, CANDIDATE, ACTIVE, INACTIVE, ASSOCIATE, EMERITUS, AND HONORARY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>LINE 7A EXPLANATION - THE NOMINATING COMMITTEE PRESENTS A FINAL SLATE OF CANDIDATES TO THE SRS MEMBERSHIP AND THE CANDIDATES ARE ELECTED UPON RECEIVING A MAJORITY OF THE VOTES CAST BY ACTIVE FELLOWS AT THE ANNUAL MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>LINE 7B EXPLANATION - THERE ARE THREE DECISIONS THAT REQUIRE A VOTE BY THE MEMBERS: ELECTION OF OFFICERS, REMOVAL OF AN OFFICER AND AMENDMENTS TO THE BYLAWS. ONLY ACTIVE MEMBERS IN GOOD STANDING MAY VOTE, AND THEY MUST VOTE IN PERSON AT THE ANNUAL MEETING OR AT A SPECIAL MEETING, IF ONE IS CALLED. ELECTION OF OFFICERS REQUIRES ONLY A SIMPLE MAJORITY. AMENDMENTS AND REMOVAL OF AN OFFICER REQURE A 2/3 MAJORITY OF THOSE PRESENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>LINE 11B EXPLANATION - THE BOARD OF DIRECTORS RECEIVES AND REVIEWS A COPY OF THE FORM 990 AND ALL APPLICABLE SCHEDULES. AFTER THE BOARD APPROVES OF THE FORM, IT IS SIGNED BY A SELECTED OFFICER AND FILED WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>MANAGEMENT REVIEWS THE DISCLOSURE FORMS AND INFORMS THE BOARD OF ANY POSSIBLE CONFLICTS. THE FORMS ARE KEPT ON FILE AND AVAILABLE FOR THE BOARD OF DIRECTORS TO REVIEW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>SRS IS MANAGED BY EXECUTIVE DIRECTOR, INC., A FOR-PROFIT MANAGEMENT COMPANY. SRS HAS NO OFFICIAL EMPLOYEES BECAUSE ALL STAFF ASSIGNED TO SRS ARE EMPLOYEES OF THE MANAGEMENT COMPANY. SRS CONTRACTS WITH EXECUTIVE DIRECTOR, INC TO PROVIDE OFFICE FACILITIES, MANAGEMENT, RECORD KEEPING, ACCOUNTING, STORAGE, OTHER SIGNIFICANT SERVICES AND RELATED OVERCOST. THE ASSOCIATION MANAGEMENT FEE IS REVIEWED AT LEAST ONCE A YEAR BY THE BOARD, USUALLY DURING THE BUDGETING PROCESS FOR THE NEXT YEAR. SRS DOES NOT HAVE ANYBODY WHO FITS THE DEFINITION OF A KEY EMPLOYEE. REASONABLE COMPENSATION FOR SERVICES RENDERED TO OR FOR SRS TO OFFICERS IS ANNUALLY REVIEWED AND APPROVED BY THE BOARD DURING THE BUDGETING PROCESS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>SRS MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FORM 990/990-T AVAILABLE FOR PUBLIC INSPECTION UPON REQUEST. ALL REQUESTS SHOULD BE MADE TO THE SRS OFFICE AND A PRINT OR ELECTRONIC COPY OF THE REQUESTED DOCUMENTS WILL BE PROVIDED.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
