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      <ReconcilationRevenueExpnssAmt>93825</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-62464</NetUnrlzdGainsLossesInvstAmt>
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      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
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    <IRS990ScheduleO documentId="990O">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Amended return information</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990S DONE FOR FISCAL YEARS 2021 TO 2024 (DONE ON FORM 990S FOR 2020 TO 2023) CONTAIN ERRORS. AFTER A CHANGE OF TAX PREPARERS, THE CURRENT PREPARER RE-DID THE FORM 990S FOR THOSE YEARS, REQUIRING UPDATES TO THE ORIGINAL FORM 990 FILED FOR THIS YEAR, ESPECIALLY IN SCHEDULE A.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Officer directors etc family relationship Part VI line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>JANET WEINSTOCK AND MICHAEL WEINSTOCK, FAMILY RELATIONSHIPALFRED SONNENSTRAHL AND SAM SONNENSTRAHL, FAMILY RELATIONSHIP</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Members or stockholder classes and rights Part VI line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MDSC IS A MEMBERSHIP ORGANIZATION OPEN TO ALL INDIVIDUALS WHO ARE DEAF OR DEAFBLIND, ARE 50 YEARS OF AGE OR OLDER, RESIDE IN THE STATE OF MARYLAND, AND HAVE PAID THEIR APPLICABLE YEARLY DUES. MEMBERS ELECT OFFICERS WHO SERVE ON THE BOARD, THE GOVERNING BODY OF MDSC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Member election for additional members Part VI line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS ELECT OFFICERS WHO SERVE AS VOTING TRUSTEES ON THE BOARD, THE GOVERNING BODY OF MDSC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Governing body decisions Part VI line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>IF THERE IS A MAJOR NEW LONG-TERM STRATEGIC PLAN, BYLAWS REVISION, OR A NEW FISCAL YEARS BUDGET, FOR EXAMPLE, IT WOULD GO OUT TO THE GENERAL MEMBERSHIP TO APPROVE. OTHERWISE, APPROVALS OF EXPENSES AND THE LIKE CAN BE DECIDED WITHIN THE GOVERNING BODY ITSELF.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Committee meeting documentation Part VI line 8b</FormAndLineReferenceDesc>
        <ExplanationTxt>MINUTES ARE KEPT FOR ALL BOARD COMMITTEES, AND GENERALLY NOT FOR THE COMMITTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 governing body review Part VI line 11</FormAndLineReferenceDesc>
        <ExplanationTxt>MDSC HAS ADOPTED A PRACTICE OF SHARING A COPY OF THE FORM 990 PACKAGE WITH MEMBERS OF THE GOVERNING BODY BY EMAIL, PERSONAL CONTACT, AND OTHER SIMILAR METHODS. ASIDE FROM THIS, THE PRESIDENT AND TREASURER GO OVER THE FORM 990 ANSWERS WITH THE CPA WHO PREPARED IT BEFORE SIGNING AND FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Conflict of interest policy compliance Part VI line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>MDSC HOLDS A BOARD RETREAT, WHICH IS MANDATORY FOR ALL BOARD MEMBERS. IT IS AT THOSE RETREATS THAT BOARD MEMBERS ARE REQUIRED TO DISCLOSE, DISCUSS, AND SIGN THE CONFLICT OF INTEREST FORM. THE RETREAT IS TYPICALLY HELD IN AUGUST, BEFORE THE START OF THE FISCAL YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 availability to public Part VI line 18</FormAndLineReferenceDesc>
        <ExplanationTxt>MDSC BYLAWS ARE AVAILABLE ON ITS WEBSITE. COPIES OF FORMS 990 ARE AVAILABLE THROUGH IRS FORM 990 SEARCH AS WELL AS UPON REQUEST. OTHER ORGANIZATIONAL DOCUMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Governing documents etc available to public Part VI line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>MDSC BYLAWS ARE AVAILABLE ON ITS WEBSITE. COPIES OF FORMS 990 ARE AVAILABLE THROUGH IRS FORM 990 SEARCH AS WELL AS UPON REQUEST.</ExplanationTxt>
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</Return>