17 CFR § 240.19c-1 - Governing certain off-board agency transactions by members of national securities exchanges.

---
identifier: "/us/cfr/t17/s240.19c-1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "17 CFR § 240.19c-1 - Governing certain off-board agency transactions by members of national securities exchanges."
title_number: 17
title_name: "Commodity and Securities Exchanges"
section_number: "240.19c-1"
section_name: "Governing certain off-board agency transactions by members of national securities exchanges."
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"
---


# 240.19c-1 Governing certain off-board agency transactions by members of national securities exchanges.

The rules of each national securities exchange shall provide as follows:

No rule, stated policy, or practice of this exchange shall prohibit or condition, or be construed to prohibit or condition or otherwise limit, directly or indirectly, the ability of any member acting as agent to effect any transaction otherwise than on this exchange with another person (except when such member also is acting as agent for such other person in such transaction), in any equity security listed on this exchange or to which unlisted trading privileges on this exchange have been extended.

(Secs. 2, 3, 6, 11, 17, 19, 23, Pub. L. 78-291, 48 Stat. 881, 882, 885, 891, 897, 898, 901, as amended by secs. 2, 3, 6, 14, 16, 18, Pub. L. 94-29, 89 Stat. 97, 104, 110, 137, 146, 155 (15 U.S.C. 78b, 78c, 78f, 78k, 78q, 78s, 78w, as amended by Pub. L. 94-29 (June 4, 1975)); sec. 7 Pub. L. 94-29, 89 Stat. 111 (15 U.S.C. 78k-1))

[43 FR 1328, Jan. 9, 1978]