Fill out all applicable spaces in the information grid at the top of the front page of the Guarantee. The SBA considers personal guarantees as separate from collateral requirements.Application submission. Instructions and forms related to application submissions for various lending programs. When applying for an SBA 7(a) loan, you must complete SBA Form 1919. Personal guarantors serve as a protective shield for lenders, offering assurance of repayment in cases of SBA loan defaults. A personal loan guarantee for an SBA loan is a legally binding agreement where the borrower assumes personal responsibility for repaying the loan. (6) Evaluation of substitute guarantors.