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    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I - LINE 5</FormAndLineReferenceDesc>
        <ExplanationTxt>IAB has affiliation agreements with TechLab to provide, among other things, office space, certain professional services, staffing, office services and other administrative support in exchange for monetary compensation as defined in the agreements. The agreements are automatically renewable each year unless written notice is provided by either party. PART III - LINE 1 IAB TECHNOLOGY LABORATORY, INC. ("TECHLAB") IS A RESEARCH AND DEVELOPMENT CONSORTIUM. ITS MISSION IS TO PRODUCE AND HELP COMPANIES IMPLEMENT GLOBAL INDUSTRY TECHNICAL STANDARDS AND SOLUTIONS FOR THE DIGITAL MEDIA AND ADVERTISING INDUSTRIES. THE GOAL OF THE TECHLAB IS TO REDUCE FRICTION ASSOCIATED WITH THE DIGITAL ADVERTISING AND MARKETING SUPPLY CHAIN WHILE CONTRIBUTING TO THE SAFE GROWTH OF THE INDUSTRY.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, SECTION A. - QUESTION 6</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, SECTION A. - QUESTION 7</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, SECTION B. - QUESTION 11B</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>TECHLAB DOES NOT MAKE ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
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        <ExplanationTxt>DESCRIPTION:CONSULTING &amp; OTHER TOTAL FEES:272955</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
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