The 7(a) loan program is SBA's primary business loan program for providing financial assistance to small businesses. SBA Form 1391 (5-00), Ref 50 30.When applying for an SBA 7(a) loan, you must complete SBA Form 1919. If you include a choiceoflaw provision in your loan agreement, the agreement must state that federal law applies when SBA holds the Note. A business loan agreement is a legally binding document that states the details of a loan between a lender and borrower (usually the business owner).