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      <Desc>RESEARCHTHE HYDROCEPHALUS ASSOCIATION (HA) REMAINS DEDICATED TO SUPPORTING HIGH QUALITY, HIGH-IMPACT RESEARCH THROUGH CONTINUED SUPPORT OF THE HA PATIENT POWERED INTERACTIVE ENGAGEMENT REGISTRY (HAPPIER), HA NETWORK FOR DISCOVERY SCIENCE (HANDS), HYDROCEPHALUS CLINICAL RESEARCH NETWORK (HCRN), AND ADULT HCRN (AHCRN). HAPPIER PROVIDES PATIENTS AND CAREGIVERS THE OPPORTUNITY TO ENGAGE IN RESEARCH WHILE PROVIDING RESEARCHERS ACCESS TO CRITICAL DATA. HANDS PROVIDES THE CONNECTIONS, TECHNOLOGY, AND TOOLS NEEDED TO SPUR AND SUPPORT INNOVATIVE BASIC AND TRANSLATIONAL RESEARCH, WHILE THE PEDIATRIC FOCUSED HCRN AND ADULT FOCUSED AHCRN PROVIDE THE STRUCTURE AND EXPERTISE NECESSARY TO EFFICIENTLY AND THOROUGHLY TEST THESE NEW TECHNOLOGIES AND CLINICAL THERAPIES WITH THE HIGHEST CLINICAL STANDARDS. BY LINKING BASIC, TRANSLATIONAL, AND CLINICAL RESEARCHERS, HA HAS CREATED A PIPELINE TO MOVE RESEARCH FROM THE BENCH TO THE BEDSIDE.</Desc>
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        <Desc>SUPPORT AND EDUCATION THE HYDROCEPHALUS ASSOCIATION IS DEEPLY COMMITTED TO IMPROVING THE LIVES OF THOSE AFFECTED BY HYDROCEPHALUS BY PROVIDING DIRECT SUPPORT AS WELL AS EDUCATIONAL RESOURCES IN COLLABORATION WITH A WIDE RANGE OF STAKEHOLDERS TO RAISE AWARENESS AND KNOWLEDGE. IN 2023, HA STAFF PROVIDED ONE-ON-ONE SUPPORT THROUGH PHONE CALLS, EMAILS, AND INTERACTIONS ON SOCIAL MEDIA TOTALING OVER 5,500 TOUCHES. HA CONDUCTED A TOTAL OF 236 VIRTUAL SOCIAL GATHERINGS AND/OR EDUCATIONAL MEETINGS WITH MEDICAL AND OTHER PROFESSIONALS JOINING AS GUEST SPEAKERS IN OUR LOCAL SUPPORT GROUPS - COMMUNITY NETWORKS. THESE EVENTS PROVIDED OUR COMMUNITY WITH THE OPPORTUNITY TO FIND FRIENDSHIP AND RECEIVE EDUCATION. OUR PEER SUPPORT VOLUNTEERS MADE 94 CONNECTIONS TO PROVIDE FIRST-HAND KNOWLEDGE AND EXPERIENCE ON LIVING WITH HYDROCEPHALUS. NEW NATIONAL LEVEL GROUPS EMERGED ONE FOR MEN WITH HYDROCEPHALUS AND FAMILIES IMPACTED BY L1CAM. THE ASSOCIATION CONTINUES TO SUPPORT OUR YOUNG ADULTS' ACADEMIC PURSUITS THROUGH OUR SCHOLARSHIP PROGRAM. ESTABLISHED IN 1994, HA HAS AWARDED 239 SCHOLARSHIPS TO DESERVING FUTURE LEADERS OF THE HYDROCEPHALUS COMMUNITY. IN 2023, HA OFFERED 12 EDUCATIONAL SCHOLARSHIPS TO YOUNG ADULTS LIVING WITH HYDROCEPHALUS WHO EXHIBIT PROMISING LEADERSHIP SKILLS AND ARE INVOLVED IN THEIR COMMUNITIES.</Desc>
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        <Desc>ADVOCACY THE HYDROCEPHALUS ASSOCIATION ADVOCACY COMMITTEE HAS CONTINUED TO MONITOR AND SUPPORT KEY LEGISLATION THAT WILL BENEFIT THE HYDROCEPHALUS COMMUNITY. HYDROCEPHALUS WAS ONCE AGAIN INCLUDED ON THE LIST OF ELIGIBLE CONDITIONS TO RECEIVE FUNDING UNDER THE CONGRESSIONALLY DIRECTED MEDICAL RESEARCH PROGRAMS (CDMRP) ADMINISTERED BY THE DEPARTMENT OF DEFENSE (DOD). THE CDMRP HAS APPROPRIATIONS OF $15.24 BILLION, WHICH ARE USED TO FUND THE BEST SCIENTIFIC AND MEDICAL RESEARCH. WE ARE PROUD OF THIS CONTINUED ACCOMPLISHMENT. HA HIRED AN ADVOCACY ENGAGEMENT MANAGER TO LEAD THE DAILY OPERATIONS AND STRATEGY OF THE ASSOCIATION, INCLUDING DEEPENING OUR RELATIONSHIPS ON CAPITOL HILL AND BUILDING A GRASSROOTS ADVOCACY NETWORK. HA CONTINUES TO CO-LEAD WITH THE SPINA BIFIDA ASSOCIATION A COALITION FOCUSED ON ISSUES AROUND CHILDREN WITH CHRONIC MEDICAL CONDITIONS TRANSITIONING TO ADULT MEDICAL CARE AND SERVICES. HA ALSO CONTINUES TO BE ACTIVE IN ADVOCACY MEETINGS AND SIGN-ON LETTERS PUT TOGETHER AS PART OF THE NATIONAL HEALTH COUNCIL (NHC), AMERICAN BRAIN COALITION (ABC), NATIONAL ORGANIZATION FOR RARE DISEASE (NORD), RESEARCH!AMERICA, AND THE NATIONAL HEATH DEFENSE CONSORTIUM (DHRC).</Desc>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>HUGH ALLEN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SALLY BALDUS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SALLY DUNKELBERGER DANIEL</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PAM FINLAYSON</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SUSAN FIORELLA</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MICHAEL SIEGEL PHD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARK HAMILTON MD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID LIMBRICK MD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MIKE MUHONEN MD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JENNIFER POPE</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>EILEEN RODGER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEPHANIE VOGT</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MICHAEL WILLIAMS MD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DEITRA MATTHEWS MPA</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SHERYL ROSENBERG JD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KIPP COCO</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TAMMY LEE</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JASON SPEARS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DIANA GRAY</PersonNm>
        <TitleTxt>PRESIDENT AND CEO</TitleTxt>
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        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>224971</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>22810</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRIAN SAPHIER</PersonNm>
        <TitleTxt>TREASURER AND CFO</TitleTxt>
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        <OfficerInd>X</OfficerInd>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>AMANDA GARZON</PersonNm>
        <TitleTxt>CHIEF OPERATING OFFICER</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>16433</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LINDA RILEY</PersonNm>
        <TitleTxt>NATIONAL DIRECTOR OF DEVELOPMENT</TitleTxt>
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        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>16145</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MONICA CHAU</PersonNm>
        <TitleTxt>NATIONAL DIRECTOR OF RESEARCH PROGRAMS</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JUDITH FROEHLICH</PersonNm>
        <TitleTxt>NATIONAL DIRECTOR OF MARKETING AND COMMUNICATIONS</TitleTxt>
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        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>14868</OtherCompensationAmt>
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      <TotalReportableCompFromOrgAmt>891765</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>101730</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>6</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <InfoInScheduleOPartVIIIInd>X</InfoInScheduleOPartVIIIInd>
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      <TotalContributionsAmt>3520084</TotalContributionsAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>137427</TotalRevenueColumnAmt>
        <ExclusionAmt>137427</ExclusionAmt>
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      <ContriRptFundraisingEventAmt>2417587</ContriRptFundraisingEventAmt>
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      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>-331577</TotalRevenueColumnAmt>
        <ExclusionAmt>-331577</ExclusionAmt>
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      <GamingGrossIncomeAmt>75623</GamingGrossIncomeAmt>
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      <NetIncomeFromGamingGrp>
        <TotalRevenueColumnAmt>75623</TotalRevenueColumnAmt>
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        <RelatedOrExemptFuncIncomeAmt>2228</RelatedOrExemptFuncIncomeAmt>
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      <OtherRevenueMiscGrp>
        <Desc>RETURNED GRANT AWARD</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>209298</TotalRevenueColumnAmt>
        <ExclusionAmt>209298</ExclusionAmt>
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      <OtherRevenueMiscGrp>
        <Desc>MISCELLANEOUS REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>15300</TotalRevenueColumnAmt>
        <ExclusionAmt>15300</ExclusionAmt>
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      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>3628383</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>77851</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>30448</ExclusionAmt>
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      <GrantsToDomesticOrgsGrp>
        <TotalAmt>510641</TotalAmt>
        <ProgramServicesAmt>510641</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>12000</TotalAmt>
        <ProgramServicesAmt>12000</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>42757</TotalAmt>
        <ProgramServicesAmt>42757</ProgramServicesAmt>
      </ForeignGrantsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>401628</TotalAmt>
        <ProgramServicesAmt>295611</ProgramServicesAmt>
        <ManagementAndGeneralAmt>84285</ManagementAndGeneralAmt>
        <FundraisingAmt>21732</FundraisingAmt>
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      <OtherSalariesAndWagesGrp>
        <TotalAmt>1324227</TotalAmt>
        <ProgramServicesAmt>1007342</ProgramServicesAmt>
        <ManagementAndGeneralAmt>254574</ManagementAndGeneralAmt>
        <FundraisingAmt>62311</FundraisingAmt>
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      <PensionPlanContributionsGrp>
        <TotalAmt>40221</TotalAmt>
        <ProgramServicesAmt>30676</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7675</ManagementAndGeneralAmt>
        <FundraisingAmt>1870</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>104476</TotalAmt>
        <ProgramServicesAmt>62897</ProgramServicesAmt>
        <ManagementAndGeneralAmt>37119</ManagementAndGeneralAmt>
        <FundraisingAmt>4460</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>122559</TotalAmt>
        <ProgramServicesAmt>93433</ProgramServicesAmt>
        <ManagementAndGeneralAmt>23056</ManagementAndGeneralAmt>
        <FundraisingAmt>6070</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>9297</TotalAmt>
        <ProgramServicesAmt>1590</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7707</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>18580</TotalAmt>
        <ManagementAndGeneralAmt>18580</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>3000</TotalAmt>
        <ProgramServicesAmt>3000</ProgramServicesAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>135318</TotalAmt>
        <ProgramServicesAmt>112695</ProgramServicesAmt>
        <ManagementAndGeneralAmt>11352</ManagementAndGeneralAmt>
        <FundraisingAmt>11271</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>26038</TotalAmt>
        <ProgramServicesAmt>9129</ProgramServicesAmt>
        <FundraisingAmt>16909</FundraisingAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>227326</TotalAmt>
        <ProgramServicesAmt>182053</ProgramServicesAmt>
        <ManagementAndGeneralAmt>22724</ManagementAndGeneralAmt>
        <FundraisingAmt>22549</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>188497</TotalAmt>
        <ProgramServicesAmt>160792</ProgramServicesAmt>
        <ManagementAndGeneralAmt>20474</ManagementAndGeneralAmt>
        <FundraisingAmt>7231</FundraisingAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>125689</TotalAmt>
        <ProgramServicesAmt>96409</ProgramServicesAmt>
        <ManagementAndGeneralAmt>22237</ManagementAndGeneralAmt>
        <FundraisingAmt>7043</FundraisingAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>148818</TotalAmt>
        <ProgramServicesAmt>113747</ProgramServicesAmt>
        <ManagementAndGeneralAmt>8771</ManagementAndGeneralAmt>
        <FundraisingAmt>26300</FundraisingAmt>
      </TravelGrp>
      <InterestGrp>
        <TotalAmt>4574</TotalAmt>
        <ManagementAndGeneralAmt>4574</ManagementAndGeneralAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>16514</TotalAmt>
        <ProgramServicesAmt>12667</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2922</ManagementAndGeneralAmt>
        <FundraisingAmt>925</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>12241</TotalAmt>
        <ManagementAndGeneralAmt>12208</ManagementAndGeneralAmt>
        <FundraisingAmt>33</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>SERVICE CHARGES</Desc>
        <TotalAmt>56346</TotalAmt>
        <ProgramServicesAmt>781</ProgramServicesAmt>
        <ManagementAndGeneralAmt>49819</ManagementAndGeneralAmt>
        <FundraisingAmt>5746</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>SITE EXPENSES</Desc>
        <TotalAmt>43044</TotalAmt>
        <ProgramServicesAmt>42906</ProgramServicesAmt>
        <ManagementAndGeneralAmt>26</ManagementAndGeneralAmt>
        <FundraisingAmt>112</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>DUES AND SUBSCRIPTIONS</Desc>
        <TotalAmt>42375</TotalAmt>
        <ProgramServicesAmt>36178</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1395</ManagementAndGeneralAmt>
        <FundraisingAmt>4802</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>BANK CHARGES</Desc>
        <TotalAmt>6799</TotalAmt>
        <ManagementAndGeneralAmt>6799</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>6691</TotalAmt>
        <ProgramServicesAmt>5311</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1339</ManagementAndGeneralAmt>
        <FundraisingAmt>41</FundraisingAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>3629656</TotalAmt>
        <ProgramServicesAmt>2832615</ProgramServicesAmt>
        <ManagementAndGeneralAmt>597636</ManagementAndGeneralAmt>
        <FundraisingAmt>199405</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>1431128</BOYAmt>
        <EOYAmt>1206278</EOYAmt>
      </CashNonInterestBearingGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>394679</BOYAmt>
        <EOYAmt>254386</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <InventoriesForSaleOrUseGrp>
        <BOYAmt>46849</BOYAmt>
        <EOYAmt>40324</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>89047</BOYAmt>
        <EOYAmt>97903</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>228251</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>212921</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>12823</BOYAmt>
        <EOYAmt>15330</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>2264530</BOYAmt>
        <EOYAmt>2529577</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <IntangibleAssetsGrp>
        <EOYAmt>51627</EOYAmt>
      </IntangibleAssetsGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>277312</BOYAmt>
        <EOYAmt>163777</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>4516368</BOYAmt>
        <EOYAmt>4359202</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>221391</BOYAmt>
        <EOYAmt>280022</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
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        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>MECHANISMS OF HYDROCEPAHLUS RESEARCH GRANT - TO FUND BASIC RESEARCH FOR THE TREATMENT OF HYDROCEPHALUS</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF MICHIGAN</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>3003 SOUTH STATE STREET</AddressLine1Txt>
          <CityNm>ANN HARBOR</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>48109</ZIPCd>
        </USAddress>
        <RecipientEIN>454135256</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>MECHANISMS OF HYDROCEPAHLUS RESEARCH GRANT - TO FUND BASIC RESEARCH FOR THE TREATMENT OF HYDROCEPHALUS</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>SEATTLE CHILDREN'S HOSPITAL</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 5371 MS 818-FI</AddressLine1Txt>
          <CityNm>SEATTLE</CityNm>
          <StateAbbreviationCd>WA</StateAbbreviationCd>
          <ZIPCd>981455005</ZIPCd>
        </USAddress>
        <RecipientEIN>910564748</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>MECHANISMS OF HYDROCEPAHLUS RESEARCH GRANT - TO FUND BASIC RESEARCH FOR THE TREATMENT OF HYDROCEPHALUS</PurposeOfGrantTxt>
      </RecipientTable>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>SCHOLARSHIP</GrantTypeTxt>
        <RecipientCnt>12</RecipientCnt>
        <CashGrantAmt>12000</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DIANA GRAY</PersonNm>
        <TitleTxt>PRESIDENT AND CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>224971</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>9616</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>13194</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>247781</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>AMANDA GARZON</PersonNm>
        <TitleTxt>CHIEF OPERATING OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>137714</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BRIAN SAPHIER</PersonNm>
        <TitleTxt>TREASURER AND CFO</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>5542</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>10847</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>153847</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LINDA RILEY</PersonNm>
        <TitleTxt>NATIONAL DIRECTOR OF DEVELOPMENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>135010</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>5472</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>10673</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>151155</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>8</ContributionCnt>
        <NoncashContributionsRptF990Amt>78203</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>NYSE VALUE</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>0</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, COLUMN (B):</FormAndLineReferenceDesc>
        <ExplanationTxt>THE NUMBER OF CONTRIBUTIONS REPRESENTS THE NUMBER OF DONORS THAT GAVE STOCK.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCORDING TO OUR BYLAWS, THE EXECUTIVE COMMITTEE, UNLESS LIMITED IN A RESOLUTION OF THE BOARD, SHALL HAVE AND MAY EXERCISE ALL OF THE AUTHORITY OF THE BOARD IN THE MANAGEMENT OF THE BUSINESS AND AFFAIRS OF THE CORPORATION BETWEEN MEETINGS OF THE BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL BOARD MEMBERS RECEIVE AN ELECTRONIC OR PAPER COPY OF THE IRS FORM 990 PRIOR TO ITS SUBMISSION. BOARD MEMBERS MUST SUBMIT ANY QUESTIONS OR CHANGES TO THE PRESIDENT &amp; CHIEF EXECUTIVE OFFICER, WHO SUBMITS THE CHANGES TO THE TAX PREPARER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH YEAR BOARD MEMBERS GET A COPY OF THE CONFLICT OF INTEREST POLICY AND A DISCLOSURE FORM TO FILL OUT WITH DETAILS OF ANY POSSIBLE CONFLICTS THAT MAY EXIST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS FOR DETERMINING THE COMPENSATION FOR THE PRESIDENT &amp; CHIEF EXECUTIVE OFFICER (WHO IS ALSO IN CHARGE OF FINANCIAL MANAGEMENT OF THE ORGANIZATION) POSITION INCLUDES THE FOLLOWING STEPS: 1) THE BOARD CHAIR AND PRESIDENT &amp; CHIEF EXECUTIVE OFFICER EACH COLLECT COMPARABLE SALARY INFORMATION (E.G., SALARY STUDIES). 2) THE BOARD CHAIR MAKES A RECOMMENDATION FOR PRESIDENT &amp; CEO COMPENSATION TO THE EXECUTIVE COMMITTEE. 3) EXECUTIVE COMMITTEE MEMBERS (WITHOUT A CONFLICT OF INTEREST) VOTE ON THE RECOMMENDATION BY THE BOARD CHAIR FOR PROPOSED CEO COMPENSATION, AND A RECORD OF THE VOTE IS RECORDED IN EXECUTIVE COMMITTEE MINUTES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS AVAILABLE ON THE HYDROCEPHALUS ASSOCIATION WEBSITE AT WWW.HYDROASSOC.ORG/ANNUAL-REPORTS-AND-FINANCIALS</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC AT THE ORGANIZATION'S OFFICE OR ON THE ORGANIZATION'S WEBSITE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, STATEMENT OF REVENUE LINE 11A</FormAndLineReferenceDesc>
        <ExplanationTxt>CONSISTS OF AN UNSPENT GRANT AWARD RETURNED TO THE ASSOCIATION IN 2023.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AUDIT COMMITTEE SELECTS AND OVERSEES AN INDEPENDENT ACCOUNTING FIRM TO CONDUCT THE AUDIT. NO CHANGE IN THE SELECTION METHOD OCCURRED THIS YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
