Everything you need to know about loan assumption for the SBA 504 loan program. Fortunately for borrowers, SBA loans, including the SBA 7(a) loan, are fully assumable with SBA approval.Assumption of Loan Requirement Letter for disaster loan servicing action request packages. About this document and download. Please complete the applicable forms and provide the documentation listed below. Your FRFCU loan officer is readily available should you have any questions. First, the SBA does NOT lend directly to small businesses. The business has to go through a bank in order to receive funding thru SBA programs. In this article, we will discuss pros, cons, who qualifies, and how to fill out SBA Form 413 to get an SBA loan. With the government backing SBA loans, lenders can provide business loans with less stringent credit standards and lower down payments than conventional loans.