Lenders must use this form to participate in the SBA Community Advantage loan program. About this document and download.This Agreement supplements the Loan Guarantee Agreement, SBA Form 750, and, if applicable, SBA Form 750B (for shortterm loans), between Lender and SBA. Closing and Disbursement of Loans. This Agreement supplements the Loan Guarantee Agreement, SBA Form 750, and, if applicable, SBA Form 750B (for short-term loans), between Lender and SBA. 750 participation agreement with the SBA. See if your county is eligible for an SBA disaster loan. Types of available disaster loans. SBA has received additional funding and resumed disaster loan offers.