(a) Each official establishment slaughtering poultry or processing poultry products solely for intrastate commerce shall have such premises, facilities and equipment, and be operated in accordance with such sanitary practices, as are required by regulations promulgated by the board for the purpose of preventing the entry into or flow or movement in intrastate commerce of poultry products which are adulterated.

(b) The director shall refuse to render inspection to any establishment whose premises, facilities or equipment, or the operation thereof, fails to meet the requirements of this section.