Assumption of Loan Requirement Letter for disaster loan servicing action request packages. About this document and download.Proof of ongoing insurance on the collateral with the SBA named as mortgagee must be provided. An assumption transaction may be accomplished with or without consent of the lender. The transaction involves only a title transfer. Another option to sell a business with an SBA loan is for the buyer to assume the loan. SBA loans are fully assumable with SBA approval. 41-3 Redline 11.2022. It is important to respond to any requests from the underwriter promptly in order to minimize delays in the processing of your loan application. Your borrower should send a written request to their current bank asking for them to provide the entire SBA loan file to your bank for review.