(a) For the purpose of protecting the public health, the Department of Human Resources shall have the power to adopt and promulgate such rules and regulations as it deems necessary and proper to carry out the purpose and intent of this article, including the establishment of reasonable standards of sanitation for food service establishments and such establishments which are also retail frozen dessert packagers and the examination and condemnation of unwholesome food therein. County boards of health are authorized to adopt and promulgate supplementary rules and regulations, including the establishment of reasonable standards of sanitation for food service establishments, consistent with those adopted and promulgated by the department. The department and the county boards of health may obtain technical and laboratory assistance from the Department of Agriculture.

(b) Nonprofit schools and institutions serving family-style meals shall not be included under the present law or any future law or any rule or regulation promulgated pursuant to such laws regulating the dispensing of milk in the kitchens and dining halls of such schools and institutions, provided such school or institution produces the milk on the school's or institution's farm which passes Department of Human Resources and local health department sanitary requirements.