Lenders use this template to issue an SBA Express or Export Express Loan Authorization for SBA to guarantee. About this document and download.When applying for an SBA 7(a) loan, you must complete SBA Form 1919. The Draft Authorization is a living document and a specific contract between your lender and the SBA. Existing borrowers can create an account in the MySBA Loan Portal (lending.sba. Fill out all applicable spaces in the information grid at the top of the front page of the Guarantee. Lender must have a valid SBA Loan Guarantee Agreement (SBA Form 750), a valid CARES Act Section 1102. General Program Guidelines. 1. Completed SBA loan application (SBA Form 5 or 5C). • Tax Information Authorization (IRS Form 4506T) for the applicant, principals and affiliates.