17 C.F.R. § 403.3 Use of customers' free credit balances.
Title 17 - Commodity and Securities Exchanges
Every registered government securities broker or dealer shall comply with the requirement of §240.15c3–2 of this title concerning the use of customer free credit balances. For purposes of this section, all references to “broker or dealer” in §240.15c3–2 shall include government securities brokers and dealers.
Title 17: Commodity and Securities Exchanges
PART 403—PROTECTION OF CUSTOMER SECURITIES AND BALANCES
§ 403.3 Use of customers' free credit balances.

