5 CFR § 2636.306 - Compensation restriction applicable to service as an officer or member of a board.
(a) Applicable restriction. A covered noncareer employee shall not receive compensation for serving as an officer or member of the board of any association, corporation or other entity. Nothing in this section prohibits uncompensated service with any entity.
(b) Definition. For purposes of this section, the phrase “association, corporation or other entity” is not limited to for-profit entities, but includes nonprofit entities, such as charitable organizations and professional associations, as well as any unit of state or local government.