This Agreement supplements the Loan Guarantee Agreement, SBA Form 750, and, if applicable, SBA Form 750B (for shortterm loans), between Lender and SBA. Lenders must use this form to participate in the SBA Community Advantage loan program.About this document and download. Lender must report periodically on the status of all SBA-guaranteed loans in its portfolio, in accordance with Loan Program Requirements. Lender's failure to. This Agreement supplements the Loan Guarantee Agreement, SBA Form 750, and, if applicable, SBA Form 750B (for short-term loans), between Lender and SBA. All participating Lenders must have a signed SBA Form 750, SBA Form 3506 or SBA Form 3507 (depending on type of Lender). 750 participation agreement with the SBA. The SBA provides a government-backed guarantee on a portion of the loan enhanced under the Recovery Act and the Small Business Jobs Act.