17 C.F.R. § 256.403 Depreciation and amortization expense.
Title 17 - Commodity and Securities Exchanges
This account shall include the amount of depreciation and amortization for all service plant, and leasehold improvements, the cost of which is includable in accounts 305 through 311. Provide subaccounts by each class of service company property owned and leased.
Title 17: Commodity and Securities Exchanges
PART 256—UNIFORM SYSTEM OF ACCOUNTS FOR MUTUAL SERVICE COMPANIES AND SUBSIDIARY SERVICE COMPANIES, PUBLIC UTILITY HOLDING COMPANY ACT OF 1935
1. income
§ 256.403 Depreciation and amortization expense.