All of the following are requirements for a Tax Professional to meet the due diligence knowledge requirement for EIC, HOH, AOTC, and CTC/ACTC/ODC, EXCEPT: Requiring the taxpayer to provide all documentation to substantiate taxpayer eligibility prior to the taxpayer claiming the credit. Not knowing or having reason to know that any information used in determining the taxpayer's eligibility for, or the amount of, the credit is incorrect. Contemporaneously documenting the additional inquiries made and the client's responses to inquiries. Not ignoring the implications of information furnished to or known by the tax preparer. .