Is there a permissible purpose to pull a credit report on a guarantor when a loan is past due and we are working on a collection strategy? I know there would be for the borrower but I was not sure about the guarantor.

If they are currently liable on the loan, I don't see a problem.

But not for a current closed end loan for review purposes though correct?

Section 604(a)(3)(A) allows a CRA to furnish consumer reports to a person which it has reason to believe “intends to use the information in connection with a credit transaction involving the consumer on whom the information is to be furnished and involving the extension of credit to, or review or collection of an account of, the consumer”