Section 1300.13 - Guarantee amount(a) Under Section 101(a)(1) of the Act, the Board is authorized to enter into agreements to issue Federal credit instruments that, in the aggregate, do not exceed $10 billion.(b) The loan amount guaranteed to a single air carrier may not exceed that amount that, in the Board's sole discretion, the air carrier (or its successor) needs in order for it to provide commercial air services.