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        <ExplanationTxt>THE SERVICE CENTER ACTS AS A CLEARING HOUSE FOR DELINQUENT CONTRIBUTIONS PAID ON AN INSTALLMENT BASIS FROM CONTRACTORS DUE TO PARTICIPATING FUNDS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc4">
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>COREY WIRTH</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>269860</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>15776</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>7064</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>44838</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>15900</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>353438</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc5">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS INCLUDES THE EXECUTIVE DIRECTOR OF THE SERVICE CENTER, THE BUSINESS MANAGER OF IBEW LOCAL NO 1, A DIRECTOR APPOINTED BY THE BUSINESS MANAGER OF IBEW LOCAL NO 1, THE EXECUTIVE DIRECTOR OF THE NECA ST LOUIS CHAPTER, AND A DIRECTOR APPOINTED BY THE EXECUTIVE DIRECTOR OF NECA ST LOUIS CHAPTER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD MEMBERS ARE SENT AN ELECTRONIC COPY OF THE 990 FOR THEIR REVIEW AND REQUESTED TO RESPOND WITH ANY QUESTIONS AND/OR COMMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION OF EXECUTIVE DIRECTOR OF IBEW-NECA SERVICE CENTER IS APPROVED BY THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION OF OTHER MANAGEMENT PERSONNEL APPROVED BY THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>AVAILABLE UPON REQUEST</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>