This account must include expenses related to the issuance or assumption of debt securities. 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, and the related amounts must be charged to account 428, Amortization of debt discount and expense (§ 367.4280 ) . Any unamortized amounts outstanding at the time that the related debt is prematurely reacquired must be accounted for as indicated in General Instructions in § 367.16 .
18 C.F.R. §367.1810