Which of the following documents is required to be issued to a customer when a...

When a mortgage loan originator (MLO) is also acting as a real estate broker in the same transaction, an Affiliated Business Arrangement (ABA) Disclosure is required under RESPA. This disclosure ensures that the borrower is made aware of the relationship between the parties involved in the transaction and any potential conflict of interest, especially if the MLO could benefit financially from both roles.

Loan application (A), appraisal disclosure (B), and the special information booklet (C) are separate required disclosures, but they do not address the issue of affiliated businesses.