22 U.S. Code § 3714 - Borrowing authority
(a) Limitation on amount; issuance of notes and other obligations
The Panama Canal Commission may borrow from the Treasury, for any of the purposes of the Commission, not more than $100,000,000 outstanding at any time. For this purpose, the Commission may issue to the Secretary of the Treasury its notes or other obligations—
(1) which shall have maturities (of not later than December 31, 1999) agreed upon by the Commission and the Secretary of the Treasury, and
(b) Restrictions on use
Amounts borrowed under this section shall not be available for payments to Panama under Article XIII of the Panama Canal Treaty of 1977.
(c) Effect on investment interest in Panama Canal
Amounts borrowed under this section shall increase the investment of the United States in the Panama Canal, and repayment of such amounts shall decrease such investment.