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        <ExplanationTxt>Form 990N filed in error Jan 28, 2025. This corrects this error.</ExplanationTxt>
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        <ExplanationTxt>Rebate from PPG Architectural Services for contractual service provided to Association Members this year.</ExplanationTxt>
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        <ExplanationTxt>Organizational Dues paid to Council of American Maritime Museums (CAMM)</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Share of revenue from joint conference collected by partner National Maritime Historical Society (NMHS) collected, less share of joint expenses paid by NMHS.</ExplanationTxt>
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        <ExplanationTxt>Accrued revenue from joint conference collected by partner National Maritime Historical Society.</ExplanationTxt>
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        <ExplanationTxt>Organization relocated from New Jersey to California. New address in header, section C and here: Historic Naval Ships Association, Inc. 250 S. Harbor Blvd San Pedro, CA 90731</ExplanationTxt>
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