18 CFR § 367.2250
Account 225, Unamortized premium on long-term debt
April 15, 2021
(a) This account must include the excess of the cash value of consideration received over the face value upon the issuance or assumption of long-term debt securities.
(b) Amounts recorded in this account must be amortized over the life of each respective issue under a plan that will distribute the amount equitably over the life of the security. The amortization must be on a monthly basis, with the related amounts credited to account 429, Amortization of premium on debt—Credit (§367.4290) (see General Instructions in §367.16).