Any unit of government desiring approval of a milk inspection service shall make application for approval in writing to the Director of Food and Agriculture of the State of California. Upon receipt of said application, the said Director of Food and Agriculture shall issue a certificate of approval to the milk inspection service, provided, such approval may be withdrawn should the milk inspection service later become inefficient or fail to carry out the requirements of the Food and Agricultural Code or Administrative Code as they apply to Approved Milk Inspection Services.

No withdrawal of approval shall be made until the Director of Food and Agriculture has given written notice to the inspection service involved. Such inspection service shall have 30 days to file a written request for a hearing with the Director of Food and Agriculture. No withdrawal of approval shall be made before the expiration of 30-day period granted to file a written request for a hearing, or before completion of such requested hearing.