The board of health of a city, and of a town of ten thousand or more inhabitants, when it deems it advisable for the public health, may establish one or more stations for the distribution of milk, either free of charge in cases of necessity, or at such charge and under such conditions, rules and regulations as it establishes; but this section shall not permit any such board to engage in a general milk business.
Mass. Gen. Laws ch. 94, § 32