45 CFR § 99.2
Presiding officer
April 14, 2021
(a)
(1) The presiding officer at a hearing shall be the Assistant Secretary or the Assistant Secretary's designee.
(2) The designation of the presiding officer shall be in writing. A copy of the designation shall be served on all parties.
(b) The presiding officer, for all hearings, shall be bound by all applicable laws and regulations.