55.3.1.The holder of a permit issued for an activity referred to in subparagraph 1 or 4 of the first paragraph of section 55.2 may sell or supply by retail a medicinal premix or medicinal food containing a medication appearing on the list prepared pursuant to section 9 of the Veterinary Surgeons Act (chapter M‐8) only upon the purchaser handing over a prescription from a veterinary surgeon.