The agency shall have the power to make contracts, employ labor, and do all acts necessary for the full exercise of its purpose and powers. Those contracts determined by the board to be let for bid shall be in accordance with rules and regulations adopted by the board for the letting of contracts for such agency. The board may determine to have any work or services performed by contract, or employees of the agency, or in any combination thereof which is economical and expedient for the purpose of the agency.
Ca. Pub. Cont. Code § 21571