Public Contract Code § 4114
CHAPTER 4. Subletting and Subcontracting
The county board of supervisors, when it is the awarding authority, may delegate its functions under Sections 4107 and 4110 to any officer designated by the board.
The authorized officer shall make a written recommendation to the board of supervisors. The board of supervisors may adopt the recommendation without further notice or hearing, or may set the matter for a de novo hearing before the board.