Assumption of Loan Requirement Letter for disaster loan servicing action request packages. About this document and download.What Is Required to Assume an SBA 504 Loan? Our office provides help with SBA services including funding programs, counseling, federal contracting certifications, and disaster recovery. Are SBA 7(a) Loans Assumable? Fortunately for borrowers, SBA loans, including the SBA 7(a) loan , are fully assumable with SBA approval. If you are located in a declared disaster area, you may be eligible for financial assistance from the U.S. Small Business Administration (SBA). The terms of the assumption must not include a real estate contract, i.e. , the seller may not retain title to the property until an agreed upon amount is paid. Variables in the Likelihood of Business Loan Denial Model.19.