The duty of administration and enforcement of all regulatory legislation applying to:
(1) The production, processing and distribution of all food products or commodities of agricultural origin shall, in addition to such further legislation as shall specifically name the State Department of Agriculture as the administering agency, be performed by the department to the exclusion of any other department not so specifically named, except as provided in ORS 475C.493.
(2) The sanitation of establishments where food or drink is consumed on the premises where sold, or to sanitary practices used in such establishments, shall be performed by the Oregon Health Authority.