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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCOUNTING PRINCIPLES GENERALLY ACCEPTED IN THE UNITED STATES OF AMERICA REQUIRE PLAN MANAGEMENT TO EVALUATE TAX POSITIONS TAKEN BY THE PLAN AND RECOGNIZE A TAX LIABILITY (OR ASSET) IF THE PLAN HAS TAKEN AN UNCERTAIN POSITION THAT MORE LIKELY THAN NOT WOULD NOT BE SUSTAINED UPON EXAMINATION BY THE INTERNAL REVENUE SERVICE. THE PLAN IS SUBJECT TO ROUTINE AUDITS BY TAXING JURISDICTIONS; HOWEVER, THERE ARE CURRENTLY NO AUDITS FOR ANY TAX PERIODS IN PROGRESS.</ExplanationTxt>
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        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PLAN CONTRACTS WELFARE &amp; PENSION ADMINISTRATION SERVICE, INC., AS THE THIRD-PARTY ADMINISTRATOR OF THE PLAN, WHO OVERSEES ALL DAY TO DAY OPERATIONS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>ON FEBRUARY 26, 2024, THE BOARD OF TRUSTEES AMENDED THE TRUST AGREEMENT TO CHANGE THE NAME OF THE TRUST AND PLAN FROM THE NORTHWEST PLUMBING AND PIPEFITTING INDUSTRY HEALTH, WELFARE, AND VACATION TRUST TO THE NW PLUMBERS &amp; PIPEFITTERS HEALTH FUND. AMENDMENT NUMBER 2 CHANGING THE NAME WAS EFFECTIVE JANUARY 1, 2024.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION DOES NOT HAVE ANY COMMITTEES THAT HAVE THE AUTHORITY TO ACT ON BEHALF OF THE BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 WAS PROVIDED TO THE BOARD OF TRUSTEES, BY E-MAIL, FOR REVIEW PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUSTEES ARE REQUIRED TO PROVIDE ANNUAL WRITTEN REPRESENTATIONS REGARDING ANY CONFLICT OF INTERESTS THEY ARE AWARE OF.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PLAN DOCUMENT, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PARTICIPANTS AND PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990; PART VII, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>TRUSTEES ARE NOT COMPENSATED BY THE TRUST. TRUSTEES ARE REIMBURSED FOR WAGES LOST AS A RESULT OF ATTENDING A TRUST MEETING, PROVIDED THAT SUCH REIMBURSEMENT SHALL NOT EXCEED THE MAXIMUM RATE SET FOURTH IN THE THEN-CURRENT COLLECTIVE BARGAINING AGREEMENT COVERING THE PPC JURISDICTION. COMPENSATION PAID TO TRUSTEES EMPLOYED BY OTHER RELATED TAX-EXEMPT ORGANIZATIONS IS REPORTED ON THE FORM 990 FILED WITH THE IRS BY THE RELATED TAX-EXEMPT ORGANIZATION. IF YOU WOULD LIKE ADDITIONAL INFORMATION, PLEASE CONTACT THE PLAN ADMINISTRATOR.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, LINE XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF TRUSTEES ASSUMES OVERSIGHT RESPONSIBILITY FOR THE ANNUAL INDEPENDENT AUDIT. THE PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART V, LINE 2A AND PART IX, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PLAN PROVIDES TAXABLE TIME LOSS BENEFITS TO ELIGIBLE PARTICIPANTS AND REPORTS THOSE BENEFITS ON FORM W-2. THESE BENEFITS ARE INCLUDED ON FORM 990, PART IX, LINE 4.</ExplanationTxt>
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          <CityNm>SPOKANE</CityNm>
          <StateAbbreviationCd>WA</StateAbbreviationCd>
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</Return>