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    <Timestamp>2011-09-28T13:09:09-07:00</Timestamp>
    <TaxPeriodEndDate>2010-12-31</TaxPeriodEndDate>
    <PreparerFirm>
      <PreparerFirmBusinessName>
        <BusinessNameLine1>GREGORY PIEPER &amp; GRAHAM LLP</BusinessNameLine1>
      </PreparerFirmBusinessName>
      <PreparerFirmUSAddress>
        <AddressLine1>PO BOX 100 PMB 182</AddressLine1>
        <City>MAMMOTH LAKES</City>
        <State>CA</State>
        <ZIPCode>935460100</ZIPCode>
      </PreparerFirmUSAddress>
    </PreparerFirm>
    <ReturnType>990</ReturnType>
    <TaxPeriodBeginDate>2010-01-01</TaxPeriodBeginDate>
    <Filer>
      <EIN>264368015</EIN>
      <Name>
        <BusinessNameLine1>MAMMOTH MOUNTAIN COMMUNITY</BusinessNameLine1>
        <BusinessNameLine2>FOUNDATION INC</BusinessNameLine2>
      </Name>
      <NameControl>MAMM</NameControl>
      <USAddress>
        <AddressLine1>PO BOX 1475</AddressLine1>
        <City>MAMMOTH LAKES</City>
        <State>CA</State>
        <ZIPCode>93546</ZIPCode>
      </USAddress>
    </Filer>
    <Officer>
      <Name>ANTHONY COLASARDO</Name>
      <Title>Treasurer</Title>
      <DateSigned>2011-09-28</DateSigned>
    </Officer>
    <Preparer>
      <Name>Bonnie Gregory CPA</Name>
      <Phone>7609346065</Phone>
    </Preparer>
    <TaxYear>2010</TaxYear>
    <BuildTS>2016-03-07 17:11:31Z</BuildTS>
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      <YearFormation>2009</YearFormation>
      <StateLegalDomicile>CA</StateLegalDomicile>
      <ActivityOrMissionDescription>MAMMOTH MOUNTAIN COMMUNITY FOUNDATION'S MISSION IS TO SUPPORT YOUNG ATHLETES AND SCHOLARS BY PROVIDING FACILITIES, SERVICES, EQUIPMENT AND PROGRAMS WHICH ENABLE THEM TO ACHIEVE EDUCATIONAL AND COMPETITVE SPORT EXCELLENCE.</ActivityOrMissionDescription>
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      <Description>SUPPORT YOUNG ATHLETES IN CALIFORNIA'S EASTERN SIERRA NEVADA MOUNTAINS THROUGH ATHLETIC EDUCATION, TRAINING AND COMMPETITION BY PROVIDING FACILITIES, COACHING, AND EQUIPMENT. PROVIDE A RECREATIONAL OUTLET FOR YOUNG PEOPLE ALLOWING THEM TO DEVELOP AND IMPROVE THEIR CAPABILITIES IN WINTER SPORTS. EDUCATE ATHLETES AND PARTICIPANTS IN DISCIPLINE, SPORTSMANSHIP, AND COMMITMENT. SERVICES ARE AVAILABLE TO INTERESTED PARTICIPANTS IN THE LOCAL REGION WHICH INCLUDES 1,200 CHILDREN ATTENDING LOCAL SCHOOLS AND CURRENTLY 300 STUDENT ATHLETES REGISTERED IN NINE WINTER SPORTS TEAMS. SUPPORT IS ALSO AVAILABLE TO PARTICIPANTS FROM MANY TRAVELING YOUTH SNOW SPORTS TEAMS BASED CALIFORNIA AND ACROSS THE NATION THAT COMPETE IN EVENTS AT LOCAL SKI RESORTS.</Description>
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        <Description>ASSIST CHILDREN TO ACHIEVE THEIR ACADEMIC POTENTIAL BY PROVIDING FINANCIAL SUPPORT TO THE EXISTING INSTITUTIONS OF THE MAMMOTH UNIFIED SCHOOL DISTRICT INCLUDING NEW PROGRAMS AND FACILITY IMPROVEMENTS. THE MAMMOTH SCHOOL DISTRICT IS LOCATED IN THE EASTERN SIERRA NEVADA MOUNTAINS OF CALIFORNIA. THE DISTRICT SERVES APPROXIMATELY 1,200 STUDENTS IN FOUR SCHOOLS. IN ADDITION, THREE INDEPENDENT STUDY CENTERS EXIST FOR EDUCATION USING VIRTUAL METHODS. SUPPORT FOR THE LOCAL SCHOOLS SERVES TO AUGMENT STATE FUNDING AND PROVIDE FOR A MARGIN OF EXCELLENCE IN EDUCATION.</Description>
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      <WrittenPolicyOrProcedure>false</WrittenPolicyOrProcedure>
      <StatesWhereCopyOfReturnIsFiled>CA</StatesWhereCopyOfReturnIsFiled>
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      <TheBooksAreInCareOf>
        <NamePerson>TONY COLASARDO</NamePerson>
        <TelephoneNumber>7699242400</TelephoneNumber>
        <AddressUS>
          <AddressLine1>3043 MAIN STREET</AddressLine1>
          <City>MAMMOTH LAKES</City>
          <State>CA</State>
          <ZIPCode>93546</ZIPCode>
        </AddressUS>
      </TheBooksAreInCareOf>
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        <NamePerson>THOMAS CAGE</NamePerson>
        <Title>Secretary</Title>
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        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
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        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>MARK BROWNLIE</NamePerson>
        <Title>Vice President</Title>
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        <Officer>X</Officer>
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        <NamePerson>LAURENTIUS HARRER</NamePerson>
        <Title>BOARD MEMBER</Title>
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        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>JOHN ARMSTRONG</NamePerson>
        <Title>Executive Direc</Title>
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      <Form990PartVIISectionA>
        <NamePerson>AUSTIN BEUTNER</NamePerson>
        <Title>President</Title>
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      <Form990PartVIISectionA>
        <NamePerson>ANTHONY COLASARDO</NamePerson>
        <Title>Treasurer</Title>
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        <Officer>X</Officer>
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      <GrantsToDomesticOrgs>
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      <GrantsToDomesticIndividuals>
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      <BenefitsToMembers>
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      <CompCurrentOfficersDirectors>
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      <PensionPlanContributions>
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      <FeesForServicesManagement>
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      </FeesForServicesManagement>
      <FeesForServicesLegal>
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      <FeesForServicesLobbying>
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      <Occupancy>
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      <Travel>
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      <TravelEntrtnmntPublicOfficials>
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      <OtherExpenses>
        <Description>SKI TEAM PROGRAMS</Description>
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      <OtherExpenses>
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        <Total>12560</Total>
        <Fundraising>12560</Fundraising>
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      <OtherExpenses>
        <Description>LICENSE &amp; FEES</Description>
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        <Fundraising>1105</Fundraising>
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      <OtherExpenses>
        <Description>BANK CHARGES &amp; CC FEES</Description>
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        <Fundraising>7969</Fundraising>
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        <Fundraising>334</Fundraising>
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      </LandBuildingsEquipmentBasisNet>
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      </IntangibleAssets>
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        <EOY>0</EOY>
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      <OtherLiabilities>
        <EOY>2211</EOY>
      </OtherLiabilities>
      <TotalLiabilities>
        <BOY>5834</BOY>
        <EOY>2211</EOY>
      </TotalLiabilities>
      <FollowSFAS117>X</FollowSFAS117>
      <UnrestrictedNetAssets>
        <BOY>85555</BOY>
        <EOY>298714</EOY>
      </UnrestrictedNetAssets>
      <TemporarilyRestrictedNetAssets>
        <EOY>54881</EOY>
      </TemporarilyRestrictedNetAssets>
      <TotalNetAssetsFundBalances>
        <BOY>85555</BOY>
        <EOY>353595</EOY>
      </TotalNetAssetsFundBalances>
      <TotalLiabNetAssetsFundBalances>
        <BOY>91389</BOY>
        <EOY>355806</EOY>
      </TotalLiabNetAssetsFundBalances>
      <ReconcilationRevenueExpenses>268040</ReconcilationRevenueExpenses>
      <MethodOfAccountingAccrual>X</MethodOfAccountingAccrual>
      <AccountantCompileOrReview>false</AccountantCompileOrReview>
      <FSAudited>false</FSAudited>
      <AuditCommittee>false</AuditCommittee>
      <FederalGrantAuditRequired>false</FederalGrantAuditRequired>
      <FederalGrantAuditPerformed>false</FederalGrantAuditPerformed>
    </IRS990>
    <IRS990ScheduleA documentId="IRS990ScheduleA" softwareId="10000105" softwareVersion="2010v3.2">
      <PubliclySupportedOrg509a2>X</PubliclySupportedOrg509a2>
      <GiftsGrantsContribReceived509>
        <CurrentTaxYearMinus1Year>139731</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>306089</CurrentTaxYear>
        <Total>445820</Total>
      </GiftsGrantsContribReceived509>
      <GrossReceiptsFromAdmissions>
        <CurrentTaxYearMinus1Year>223271</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>354998</CurrentTaxYear>
        <Total>578269</Total>
      </GrossReceiptsFromAdmissions>
      <GrossReceiptsFromNonUBI>
        <Total>0</Total>
      </GrossReceiptsFromNonUBI>
      <TaxRevLeviedForOrgBenefit509>
        <Total>0</Total>
      </TaxRevLeviedForOrgBenefit509>
      <ValueOfSvcsFcltsFurnishdByGovt>
        <Total>0</Total>
      </ValueOfSvcsFcltsFurnishdByGovt>
      <Total509>
        <CurrentTaxYearMinus1Year>363002</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>661087</CurrentTaxYear>
        <Total>1024089</Total>
      </Total509>
      <AmtsRecdFromDisqualPersons>
        <Total>0</Total>
      </AmtsRecdFromDisqualPersons>
      <AmtsFromSubstContributors>
        <CurrentTaxYearMinus1Year>27102</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>135372</CurrentTaxYear>
        <Total>162474</Total>
      </AmtsFromSubstContributors>
      <SupportFromDQPsEtc>
        <CurrentTaxYearMinus1Year>27102</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>135372</CurrentTaxYear>
        <Total>162474</Total>
      </SupportFromDQPsEtc>
      <PublicSupportTotal509>861615</PublicSupportTotal509>
      <GrossInvestmentIncome509>
        <CurrentTaxYear>96</CurrentTaxYear>
        <Total>96</Total>
      </GrossInvestmentIncome509>
      <Post1975UBTI>
        <Total>0</Total>
      </Post1975UBTI>
      <InvestmentIncomeAndUBTI>
        <CurrentTaxYear>96</CurrentTaxYear>
        <Total>96</Total>
      </InvestmentIncomeAndUBTI>
      <NetIncomeFromOtherUBI>
        <Total>0</Total>
      </NetIncomeFromOtherUBI>
      <OtherIncome509>
        <Total>0</Total>
      </OtherIncome509>
      <TotalSupportTotal>
        <CurrentTaxYearMinus1Year>363002</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>661183</CurrentTaxYear>
        <Total>1024185</Total>
      </TotalSupportTotal>
      <First5Years509>X</First5Years509>
      <PublicSupportPercentage509>0.00000</PublicSupportPercentage509>
      <InvestmentIncomePercentage>0.00000</InvestmentIncomePercentage>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="IRS990ScheduleB" softwareId="10000105" softwareVersion="2010v3.2">
      <ContributorInfo>
        <ContributorNumber>RESTRICTED</ContributorNumber>
        <ContributorNameBusiness>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorNameBusiness>
        <ContributorAddressUS>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorAddressUS>
        <AggregateContributions>RESTRICTED</AggregateContributions>
      </ContributorInfo>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="IRS990ScheduleD" softwareId="10000105" softwareVersion="2010v3.2">
      <OtherLiabilities>
        <Description>PAYROLL LIABILITIES</Description>
        <Amount>753</Amount>
      </OtherLiabilities>
      <OtherLiabilities>
        <Description>ACCRUED WAGES</Description>
        <Amount>1458</Amount>
      </OtherLiabilities>
      <TotalOfAmounts>2211</TotalOfAmounts>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="IRS990ScheduleG" softwareId="10000105" softwareVersion="2010v3.2">
      <MailSolicitations>X</MailSolicitations>
      <EmailSolicitations>X</EmailSolicitations>
      <PhoneSolicitations>X</PhoneSolicitations>
      <InPersonSolicitations>X</InPersonSolicitations>
      <SpecialFundraisingEvents>X</SpecialFundraisingEvents>
      <AgreementRefFundraising>true</AgreementRefFundraising>
      <FundraiserActivityInformation>
        <NameOfOrganization>
          <BusinessNameLine1>MAMMOTH MT SKI</BusinessNameLine1>
        </NameOfOrganization>
        <AddressUS>
          <AddressLine1>1 MINARET RD</AddressLine1>
          <City>MAMMOTH LK</City>
          <State>CA</State>
          <ZIPCode>93546</ZIPCode>
        </AddressUS>
        <Activity>EVENT MGMT</Activity>
        <FundraiserControlOfFunds>true</FundraiserControlOfFunds>
        <GrossReceipts>545656</GrossReceipts>
        <AmountRetainedByContractor>309970</AmountRetainedByContractor>
        <NetToOrganization>235686</NetToOrganization>
      </FundraiserActivityInformation>
      <TotalGrossReceipts>545656</TotalGrossReceipts>
      <TotalRetainedByContractors>309970</TotalRetainedByContractors>
      <TotalNetToOrganization>235686</TotalNetToOrganization>
      <LicensedStates>CA</LicensedStates>
      <EventsInformation>
        <NameOfEvent1>MAMMOTH INVITATIONAL</NameOfEvent1>
        <GrossReceiptsEvent1>545656</GrossReceiptsEvent1>
        <CharitableContributionsEvent1>190658</CharitableContributionsEvent1>
        <GrossRevenueEvent1>354998</GrossRevenueEvent1>
        <CashPrizesEvent1>25124</CashPrizesEvent1>
        <NonCashPrizesEvent1>237690</NonCashPrizesEvent1>
        <FoodAndBeverageEvent1>12193</FoodAndBeverageEvent1>
        <EntertainmentEvent1>1000</EntertainmentEvent1>
        <OtherDirectExpensesEvent1>42852</OtherDirectExpensesEvent1>
        <GrossReceiptsTotal>545656</GrossReceiptsTotal>
        <CharitableContributionsTotal>190658</CharitableContributionsTotal>
        <GrossRevenueTotalEvents>354998</GrossRevenueTotalEvents>
        <CashPrizesTotalEvents>25124</CashPrizesTotalEvents>
        <NonCashPrizesTotalEvents>237690</NonCashPrizesTotalEvents>
        <FoodAndBeverageTotalEvents>12193</FoodAndBeverageTotalEvents>
        <EntertainmentTotalEvents>1000</EntertainmentTotalEvents>
        <OtherDirectExpensesTotalEvents>42852</OtherDirectExpensesTotalEvents>
        <DirectExpenseSummaryEvents>318859</DirectExpenseSummaryEvents>
        <NetIncomeSummary>36139</NetIncomeSummary>
      </EventsInformation>
      <Form990ScheduleGPartIV>
        <Identifier>Part I, Line 2b - Fundraiser Additional Information</Identifier>
        <Explanation>MAMMOTH MOUNTAIN SKI AREA RECEIVED NO PAYMENT FOR PROFESSIONAL FUNDRAISING SERVICES. FUNDRAISING EXPENSES FOR THE CHARITY EVENT SUCH AS LABOR, FOOD, ENTERTAINMENT, CELEBRITY TRAVEL &amp; LODGING, PRINTING &amp; POSTAGE WERE PAID BY MAMMOTH MOUNTAIN SKI AREA AND DEDUCTED FROM GROSS RECEIPTS COLLECTED.</Explanation>
      </Form990ScheduleGPartIV>
    </IRS990ScheduleG>
    <IRS990ScheduleM documentId="IRS990ScheduleM" softwareId="10000105" softwareVersion="2010v3.2">
      <WorksOfArt>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>495</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FMV</MethodOfDeterminingRevenues>
      </WorksOfArt>
      <ClothingAndHouseholdGoods>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NoncashContribsRptdF990>45631</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FMV</MethodOfDeterminingRevenues>
      </ClothingAndHouseholdGoods>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>TRAVEL PACKAGES</Description>
        <NumberOfContributions>26</NumberOfContributions>
        <NoncashContribsRptdF990>79055</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FMV</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>SKI PACKAGES</Description>
        <NumberOfContributions>2</NumberOfContributions>
        <NoncashContribsRptdF990>50129</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FMV</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <AnyPropertyThatMustBeHeld>false</AnyPropertyThatMustBeHeld>
      <ReviewProcessUnusualNCGifts>true</ReviewProcessUnusualNCGifts>
      <ThirdPartiesUsed>true</ThirdPartiesUsed>
      <Form990ScheduleMPartII>
        <Identifier>Part I, Line 32, Hire and Use of Third Parties</Identifier>
        <Explanation>NONCASH CONTRIBUTIONS FOR THE MAMMOTH INVITATIONAL CHARITY AUCTION ARE SOLICITED, PROCESSED, RECEIVED BY AND PRESENTED FOR SALE BY THE ORGANIZATION'S CHARITY EVENT COORDINATOR, MAMMOTH MOUNTAIN SKI AREA.</Explanation>
      </Form990ScheduleMPartII>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="10000105" softwareVersion="2010v3.2">
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Line 19</Identifier>
        <ReturnReference>Form 990, Part VI, Line 19: Other Organization Documents Publicly Available</ReturnReference>
        <Explanation>THE MAMMOTH MOUNTAIN COMMUNITY FOUNDATION MAKES ITS PUBLIC RECORDS AVAILABLE TO ANYONE BY REQUEST OF THE EXECUTIVE DIRECTOR OR BOARD OF DIRECTORS. TAX FORMS AND FINANCIAL STATEMENTS CAN BE REQUESTED BY THE PUBLIC AND EITHER MAILED TO THEM OR A PDF COPY E-MAILED. GOVERNING DOCUMENTS (MEETING MINUTES, POLICIES, BY LAWS, ETC) CAN BE VIEWED BY THE PUBLIC AT THE ORGANIZATION'S OFFICE ON AN AS-REQUESTED BASIS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Line 15b</Identifier>
        <ReturnReference>Form 990, Part VI, Line 15b: Compensation Review and Approval Process for Officers and Key Employees</ReturnReference>
        <Explanation>THE BOARD OF DIRECTORS MEETS ANNUALLY IN EXECUTIVE SESSION TO REVIEW AND SET THE ANNUAL SALARY AND BENEFITS OF KEY EMPLOYEES USING COMPARABLE DATA OF SIMILAR KEY STAFF AT SIMILAR ORGANIZATIONS THAT IS UPDATED EVERY OTHER YEAR.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Line 12c</Identifier>
        <ReturnReference>Form 990, Part VI, Line 12c: Explanation of Monitoring and Enforcement of Conflicts</ReturnReference>
        <Explanation>ALL CURRENT MEMBERS OF THE BOARD OF DIRECTORS SIGN A CONFLICT OF INTEREST POLICY ANNUALLY DURING THE DECEMBER MEETING. ANY MEMBER OF THE BOARD OF DIRECTORS DISCLOSING A CONFLICT OF INTEREST WILL BE REVIEWED BY THE PRESIDENT AND ACTED UPON APPROPRIATELY.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990, Part VI, Line 11</Identifier>
        <ReturnReference>Form 990, Part VI, Line 11: Form 990 Review Process</ReturnReference>
        <Explanation>THE RETURN PREPARER E-MAILS A COPY OF THE FINAL VERSION OF THE FORM 990 TO EACH BOARD MEMBER BEFORE FILING. THE BOARD REVIEWS AND GIVES FINAL APPROVAL OF THE FORM 990 BEFORE FILING WITH THE IRS.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
  </ReturnData>
</Return>