41 CFR § 105-54.307
Termination of advisory committees
June 9, 2020
(a) The sponsoring HSSO terminates an advisory committee that has fulfilled the purpose stated in its charter. The official takes action to rescind any existing orders relating to the committee and to notify committee members, the GSA Committee Management Officer, and the Committee Management Secretariat of the termination.
(b) Failing to continue an advisory committee by the 2-year anniversary date terminates the committee, unless its duration is provided for by law.