45 C.F.R. § 2101.11
Subject to the direction of the Chairman, the Secretary to the Commission is responsible for the day-to-day operations of the agency and for supervising the staff in its support of the functions of the Commission; for preparing the agenda of Commission meetings; for organizing presentations before the Commission of plans, designs, or questions upon which it is to advise, comment, or respond; for interpreting the Commission's conclusions, advice, or recommendations on each matter submitted to it; for maintaining a liaison with other governmental entities, professionals, and the public; and for maintaining the Commission's records. The Assistant Secretary of the Commission shall carry out duties delegated to him/her by the Secretary and shall act in place of the Secretary during his/her absence or disability.
45 C.F.R. § 2101.11