48 U.S.C. § 2150: No full faith and credit of the United States

(a) In generalThe full faith and credit of the United States is not pledged for the payment of any principal of or interest on any bond, note, or other obligation issued by a covered territory or covered territorial instrumentality. The United States is not responsible or liable for the payment of any principal of or interest on any bond, note, or other obligation issued by a covered territory or covered territorial instrumentality. (b) Subject to appropriationsAny claim to which the United States is determined to be liable under this chapter shall be subject to appropriations. (c) FundingNo Federal funds shall be authorized by this chapter for the payment of any liability of the territory or territorial instrumentality.