18 CFR 701.55: Associate Members.

(a) The Chairman, with concurrence of the Council, may invite the heads of other Federal agencies having authorities and responsibilities relating to the work of the Council to become Associate Members. Associate Members, on the same terms and conditions as Members, may designate persons, in accordance with the same procedure identified in § 701.53(a), to serve for them as Associate Members.

(b) Associate Members may participate with Members in consideration of all matters relating to their areas of responsibility, except that their concurrence on a decision of the Council is not required.