Documents used to substantiate eligibility to claim either EITC, AOTC, and/or CTC/ODC/ACTC must be:

Photocopied and retained in the H&R Block client file (attached to Form 8879).

Shredded when the taxpayer receives their refund.

Submitted with the tax return. This means paper documents attached to the paper-filed return or digital copies submitted with the e-filed return.

Verified for accuracy and authenticity prior to filing the return.