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      <GeneralExplanation>Part I, Line h, column vii: The Caltech Y provided the following services for the benefit of the student body of California Insititute of Technology:STUDENT PROGRAMS - The Student Executive Committee (ExComm), Y-Outdoors and Social Activism Speaker Series Committees, and Community Service project leaders - including 40 to 50 student leaders - plan and implement approximately 100 programs each year including: the Y-Hike backpacking trip, day hikes, National Park camping trips, the International Food Festival, Martin Luther King Jr. Commemoration Week events, Decompression, Union Station Homeless shelter - monthly meal service, Alternative Spring Break trips, Make-A-Difference Day, the Washington DC Science Policy Trip, a speaker series that featured well-renowned speakers (Alexis Madrigal, Ira Leifer, Jim Fruchterman, Steve Koonin) and a documentary from Liberty in North Korea, and Explore LA, Life Skills, and Adventure 101 Series. Over 6,000 individuals participated or were served by the Caltech Y's programs. The Y also awarded the Lucy Guernsey Award to two students for their outstanding service to the community and the annual Studenski travel and education grant to one Caltech undergraduate student.</GeneralExplanation>
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        <ReturnReference>Form 990, Part VI, Line 19: Other Organization Documents Publicly Available</ReturnReference>
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        <ReturnReference>Form 990, Part VI, Line 15b: Compensation Review and Approval Process for Officers and Key Employees</ReturnReference>
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        <ReturnReference>Form 990, Part VI, Line 12c: Explanation of Monitoring and Enforcement of Conflicts</ReturnReference>
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        <ReturnReference>Form 990, Part VI, Line 11: Form 990 Review Process</ReturnReference>
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        <ReturnReference>Form 990, Part VI, Line 8 : Explanation of No Contemporaneously Documentation of Meetings</ReturnReference>
        <Explanation>Although no committee has authority to act on behalf of the governing body, minutes of committee meetings are documented.</Explanation>
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        <Identifier>Form 990, Part VI, Line 2</Identifier>
        <ReturnReference>Form 990, Part VI, Line 2: Description of Business or Family Relationship of Officers, Directors, Et</ReturnReference>
        <Explanation>John and Barbara Gee, marriedRolf and Gunilla Hastrup, marriedAnthony and Gretchen Leonard, marriedPeter and Doreen Mason, marriedRobert and Toni Perpall, married (Robert deceased)Don and Jane Pinkerton, marriedNorri and Betty Sirri, marriedDouglas and Deborah Smith, marriedHowell and Dorothy Tyson, marriedBen Turk and Samantha Foster, marriedLee Fisher and Susan Murakami, married</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR" softwareId="09000047" softwareVersion="2009v1.7">
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>California Institute of Technology</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>1200 E California Blvd</AddressLine1>
          <City>Pasadena</City>
          <State>CA</State>
          <ZIPCode>91125</ZIPCode>
        </AddressUS>
        <EIN>951643307</EIN>
        <PrimaryActivities>Higher Education</PrimaryActivities>
        <LegalDomicileState>CA</LegalDomicileState>
        <ExemptCodeSection>501(c)(3)</ExemptCodeSection>
        <PublicCharityStatus>170(b)(1)(A)(ii)</PublicCharityStatus>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
      </Form990ScheduleRPartII>
      <ReceiptOfIntAnnRentsRoyalties>false</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>false</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>true</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>false</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>false</LoansOrGuaranteesFromOtherOrg>
      <SaleOfAssetsToOtherOrg>false</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>false</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>false</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>false</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>false</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>false</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>false</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>true</SharingOfFacilities>
      <SharingOfPaidEmployees>true</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>false</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>true</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>false</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>false</OtherTransferFromOtherOrg>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>California Institute of Technology</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>c</TransactionType>
        <AmountInvolved>185595</AmountInvolved>
      </TransactionsRelatedOrgsTable>
    </IRS990ScheduleR>
  </ReturnData>
</Return>