Identifying information required with respect to service provider
1 rule
No credit shall be allowed under subsection (a) for any amount paid to any person unless—
(A) the name, address, and taxpayer identification number of such person are included on the return claiming the credit, or
(B) if such person is an organization described in section 501(c)(3) and exempt from tax under section 501(a), the name and address of such person are included on the return claiming the credit.
In the case of a failure to provide the information required under the preceding sentence, the preceding sentence shall not apply if it is shown that the taxpayer exercised due diligence in attempting to provide the information so required.