17 CFR § 240.12d1-5 - Operation of certification on subsequent amendments.

---
identifier: "/us/cfr/t17/s240.12d1-5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "17 CFR § 240.12d1-5 - Operation of certification on subsequent amendments."
title_number: 17
title_name: "Commodity and Securities Exchanges"
section_number: "240.12d1-5"
section_name: "Operation of certification on subsequent amendments."
chapter_name: "SECURITIES AND EXCHANGE COMMISSION"
part_number: "240"
part_name: "GENERAL RULES AND REGULATIONS, 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. 77c, 77d, 77g, 77j, 77s, 77z-2, 77z-3, 77eee, 77ggg, 77nnn, 77sss, 77ttt, 78c, 78c-3, 78c-5, 78d, 78e, 78f, 78g, 78i, 78j, 78j-1, 78j-4, 78k, 78k-1, 78 78m, 78n, 78n-1, 78 78-4, 78-10, 78p, 78q, 78q-1, 78s, 78u-5, 78w, 78x, 78dd, 78 78mm, 80a-20, 80a-23, 80a-29, 80a-37, 80b-3, 80b-4, 80b-11, 1681w(a)(1), 6801-6809, 6825, 7201  and 8302; 7 U.S.C. 2(c)(2)(E); 12 U.S.C. 5221(e)(3); 18 U.S.C. 1350; Pub. L. 111-203, 939A, 124 Stat. 1376 (2010); and Pub. L. 112-106, sec. 503 and 602, 126 Stat. 326 (2012), unless otherwise noted."
cfr_part: "240"
---


# 240.12d1-5 Operation of certification on subsequent amendments.

If an amendment to the application for registration of a security is filed with the exchange and with the Commission after the receipt by the Commission of the certification of the exchange approving the security for listing and registration, the certification, unless withdrawn, shall be deemed made with reference to the application as amended.

(Sec. 12, 48 Stat. 892, as amended; 15 U.S.C. 78)