Skip to content
LexBuild

17 CFR § 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.

---
identifier: "/us/cfr/t17/s249.635"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "17 CFR § 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_number: 17
title_name: "Commodity and Securities Exchanges"
section_number: "249.635"
section_name: "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."
chapter_name: "SECURITIES AND EXCHANGE COMMISSION"
part_number: "249"
part_name: "FORMS, SECURITIES EXCHANGE ACT OF 1934"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "15 U.S.C. 78a  and 7201  12 U.S.C. 5461  18 U.S.C. 1350; Sec. 953(b) Pub. L. 111-203, 124 Stat. 1904; Sec. 102(a)(3) Pub. L. 112-106, 126 Stat. 309 (2012), Sec. 107 Pub. L. 112-106, 126 Stat. 313 (2012), Sec. 72001 Pub. L. 114-94, 129 Stat. 1312 (2015), and secs. 2 and 3 Pub. L. 116-222, 134 Stat. 1063 (2020), unless otherwise noted."
cfr_part: "249"
---

# 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.

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]

For  citations affecting Form X-17A-19, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at