This Agreement supplements the Loan Guarantee Agreement, SBA Form 750, and, if applicable, SBA Form 750B (for shortterm loans), between Lender and SBA. Summary: Lenders must use this form to participate in the SBA Community Advantage loan program.SBA form; 750CA Addendum. 750 participation agreement with the 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. Lenders must use this form to participate in the SBA Community Advantage loan program. About this document and download. All participating 7(a) Lenders in good standing with a signed Loan Guaranty Agreement (Form 750) are eligible to participate in the WCP. Lender must report periodically on the status of all SBA-guaranteed loans in its portfolio, in accordance with Loan Program Requirements.