12 CFR 28.53: Accounting for fees on international loans.

(a) Restrictions on fees for restructured international loans. No banking institution shall charge, in connection with the restructuring of an international loan, any fee exceeding the administrative costs of the restructuring unless it amortizes the amount of the fee exceeding the administrative cost over the effective life of the loan.

(b) Accounting treatment. Subject to paragraph (a) of this section, a banking institution is to account for fees in accordance with generally accepted accounting principles.