Section 23.21 - Registration of swap dealers and major swap participants(a) Each person who comes within the definition of the term "swap dealer" in section 1a(49) of the Act, as such term may be further defined by the Commission, is subject to the registration provisions under the Act and to part 3 of this chapter.(b) Each person who comes within the definition of the term "major swap participant" in section 1a(33) of the Act, as such term may be further defined by the Commission, is subject to the registration provisions under the Act and to part 3 of this chapter.(c) Each affiliate of an insured depository institution described in section 716(c) of the Dodd-Frank Wall Street Reform and Consumer Protection Act ( Pub. L. 111-203 section 716(c), 124 Stat. 1376 (2010)) is required to be registered as a swap dealer if the affiliate is a swap dealer or as a major swap participant if the affiliate is a major swap participant.