This Agreement supplements the Loan Guarantee Agreement, SBA Form 750, and, if applicable, SBA Form 750B (for shortterm loans), between Lender and SBA. Edit, sign, and share sba form 750b online.No need to install software, just go to DocHub, and sign up instantly and for free. SBA provides up to an 85 percent guarantee. (1) The SBA Form 750, "Loan Guaranty Agreement (Deferred Participation)," is. SBA's contract with the lenders in the 7(a) Program. Liability on a loan guarantee (in whole or in part) in the event of loan default. In addition to meeting the 7(a) requirements, borrowers must file SBA Form 750 and Form 750B. SBA Form 1919 is a key piece of paperwork borrowers will need to fill out when applying for the SBA 7(a) loan. Private loans for, but not limited to the follow: Land acquisition.