The provisions of this chapter regarding the marketing of commodities are applicable to fish and seafood and persons that handle, process, or distribute fish and seafood.

Any marketing order or agreement relating to fish and seafood shall affect handlers only. It may include only those provisions which are authorized by Sections 58889 and 58892, and any other provisions of this chapter necessary to carry out the purposes of Sections 58889 and 58892. Such provisions shall apply to all fish and seafood whether or not they are a product of this state.