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      <FootnoteTextInd>X</FootnoteTextInd>
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        <FormAndLineReferenceDesc>Part V, Line 4: Intended uses of the endowment fund.</FormAndLineReferenceDesc>
        <ExplanationTxt>Per the Board approved Investment Policy the Foundation withdraws 4% of the market value (which is calculated on a rolling 12 Quarter rolling average) annually to fund various on-going operating and research expenses incurred by the Foundation.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X : FIN48 Footnote</FormAndLineReferenceDesc>
        <ExplanationTxt>The Foundation is exempt from federal income taxes under Section 501(c)(3) of the Internal Revenue Code and has also been determined by the Internal Revenue Service not to be a "private foundation" within the meaning of Section 509(a)(1) of the Code. Management believes it has no uncertain tax positions with the Internal Revenue Service that require disclosure in the financial statements.The Foundation's Forms 990, Return of Organization Exempt from Income Tax (Form 990) for 2019 and 2018, are subject to examination by the IRS, generally for three years after they were filed.</ExplanationTxt>
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          <PersonNm>BARRIE BRUSILA</PersonNm>
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      <BusTrInvolveInterestedPrsnGrp>
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        <TransactionDesc>MANAGE TIMBER HARVEST</TransactionDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule L, Part V Supplemental Information</FormAndLineReferenceDesc>
        <ExplanationTxt>Maine TREE Foundation hired Mid Maine Forestry, Barrie Brusila, Board Member, and paid $3,564.00 to manage the timber harvest plan.Maine TREE Foundation hired Trees, Ltd., Will Cole, Board Member to run the timber harvest, they were paid $24,840.53.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part III, Line 4d</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER PROGRAM SERVICES 4: Keeping Maines Forests is a collaboration of leaders from public, private, and nonprofit organizations with interest in the future of Maines North Woods. There was one meeting in 2022 and the group is continuing to meet in 2023. The mission of the Maine Tree Farm Committee is to help Maines family woodland owners realize the full potential of their woods while providing forest products and other woodland benefits in a recognizable sustainable manner. The committee gave out the Maine Outstanding Tree Farmer of the Year award and had a successful forestry field day. OTHER PROGRAM SERVICES 5: Certified Logging Professionals (CLPS) provides training and educational opportunities to Maine Loggers. The program is committed to recognizing the skill and professionalism of those who meet and exceed our standards. CLP had many training sessions virtual and in-person and trained over 33 new CLPs along with the site visits required.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>THE DRAFT 990 IS REVIEWED BY THE EXECUTIVE DIRECTOR AND THE TREASURER AND THEN IT IS REVIEWED AND VOTED ON BY THE ENTIRE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF DIRECTORS SIGNS A CONFLICT OF INTEREST FORM ANNUALLY TO NOTE ANY CONFLICTS. THE FORMSD ARE KEPT AT THE MAINE TREE OFFICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>Compensation for the Executive Director and other key employees isdetermined by the President and approved by the Board of Directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 18</FormAndLineReferenceDesc>
        <ExplanationTxt>The Maine Tree Foundation makes its governing documents, conflict of interest policy and financial statements available to the public upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>No documents available to the public.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
