The Department of Agriculture shall enforce the provisions of this chapter and shall from time to time, after inquiry and public hearing, adopt and promulgate rules and regulations to supplement and give full effect to the provisions of this chapter. The Department of Health and Environmental Control shall establish and enforce sanitary regulations pertaining to the manufacture and distribution of frozen desserts, including the sanitary condition of (a) buildings, ground and equipment where frozen desserts are manufactured, (b) persons in direct physical contact with frozen desserts during manufacture, (c) containers in which frozen desserts are held or shipped and (d) premises, buildings, surroundings and equipment where frozen desserts are sold. Such rules and regulations shall be filed and open for public inspection at the principal office of the Department and shall have the force of law.