Final Rule

Amendments Regarding the Definition of "Exchange" and Alternative Trading Systems (ATSs) That Trade U.S. Treasury and Agency Securities, National Market System (NMS) Stocks, and Other Securities

Public Comments

Overview

The Securities and Exchange Commission (“Commission”) is formally withdrawing certain notices of proposed rulemaking issued between March 2022 and November 2023. The Commission does not intend to issue final rules with respect to these proposals. If the Commission decides to pursue future regulatory action in any of these areas, it will issue a new proposed rule.

Prior Actions

Title
Reopening of Comment Periods for "Private Fund Advisers; Documentation of Registered Investment Adviser Compliance Reviews" and "Amendments Regarding the Definition of `Exchange' and Alternative Trading Systems (ATSs) That Trade U.S. Treasury and Agency S
Release Number
34-94868
IA-6018
IA-5955
SEC Issue Date
Federal Register Publish Date
Document Citation

87 FR 29059

RIN
3235-AM45, 3235-AN07

Title
Amendments Regarding the Definition of "Exchange" and Alternative Trading Systems (ATSs) That Trade U.S. Treasury and Agency Securities, National Market System (NMS) Stocks, and Other Securities
Release Number
34-94062
SEC Issue Date
Federal Register Publish Date
Document Citation

87 FR 15496

RIN
3235-AM45

Last Reviewed or Updated: June 24, 2025