Which document authorizes the lender to obtain copies of the borrowers tax return

Answer: Form 4506-T (Request for Transcript of Tax Return)

Explanation:

Form 4506-T which is referred to as the Request for Transcript of Tax Return gives the right to a lender to collect the transcripts of tax returns. In this scenario, the borrower can do this through the provision of written permission on order to collect the copies of either his tax information or his income tax returns on the IRS form 8821 or 4506-T which is the Request for Transcript of Tax Return.