Fill out all applicable spaces in the information grid at the top of the front page of the Guarantee. Purpose of this form: The purpose of this form is to collect information about the Small Business Applicant ("Applicant") and its principals, the loan.When applying for an SBA 7(a) loan, you must complete SBA Form 1919. SBA Lenders may use this form. Some business loans may require a personal guaranty. This program offers loan guarantees to lenders for their loans to rural businesses. In this guide, we will discuss pros, cons, who qualifies must complete SBA Form 1919, and how to complete SBA Form 1919. SBA Form 148 (Unconditional Guarantee) and SBA Form 148L (Limited Guarantee) are the standard documents for providing a guaranty on an SBA loan. SBA Lenders may use this form. For-profit or non-profit businesses. Cooperatives.