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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE C, PART IV</FormAndLineReferenceDesc>
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        <FormAndLineReferenceDesc>FORM 990, PAGE 1, PART I, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>VOLUNTEER HOURS - THE VAST MAJORITY OF THE ACTIVITIES OF THE ODONTOLOGICAL SOCIETY OF WESTERN PENNSYLVANIA ARE CONDUCTED BY MEMBER DIRECTORS AND OFFICERS WITHOUT COMPENSATION. NO RECORD OF HOURS ARE MAINTAINED FOR THE GENEROUS CONTRIBUTIONS OF SUCH INDIVIDUALS TIME AND ENERGY IN FURTHERANCE OF THE DENTAL PROFESSION.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PAGE 2, PART III, LINE 4D</FormAndLineReferenceDesc>
        <ExplanationTxt>VARIOUS SERVICES TO MEMBERS, OTHER PROFESSIONALS, AND THE GENERAL PUBLIC.</ExplanationTxt>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>A COPY OF THE FROM 990 WAS EMAILED TO ALL OFFICERS WHO WERE GIVEN FIVE DAYS TO REVIEW AND COMMENT.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPILED FORMAL STATEMENTS AND FORM 990 ARE AVAILABLE UPON REQUEST AT THE SOCIETY'S OFFICES TO MEMBERS AND THE PUBLIC.</ExplanationTxt>
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