17 C.F.R. § 249.635 Form X–17A–19, report by national securities exchanges and registered national securities associations of changes in the membership status of any of their members.
Title 17 - Commodity and Securities Exchanges
This form shall be completed and filed by each national securities exchange or registered national securities association as required by §240.17a–19 of this chapter within 5 business days of the occurrence of the initiation of the membership of any person or the suspension or termination of the membership of any of its members. [45 FR 39841, June 12, 1980]
Title 17: Commodity and Securities Exchanges
PART 249—FORMS, SECURITIES EXCHANGE ACT OF 1934
Subpart G—Forms for Reports To Be Made by Certain Exchange Members, Brokers, and Dealers
§ 249.635 Form X–17A–19, report by national securities exchanges and registered national securities associations of changes in the membership status of any of their members.