18 CFR §367.2250

1. (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.
2. (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).