17 CFR § 156.4
Disclosure of Broker Association Membership
April 15, 2021
Each contract market shall make available to the public generally and upon request a list of all registered broker associations which identifies for each such association the name of each person who is a member or otherwise has a direct beneficial interest in the association. This list shall be updated at least semi-annually.
[61 FR 41498, Aug. 9, 1996]