A person may not process, sell, or keep for sale, as crab meat, anything that is not crab meat. A person may not process or sell for human consumption crab meat that: Contains any filthy, putrid, or decomposed substance or is otherwise unfit for human consumption; Has been packed or pasteurized in violation of this subtitle; or Has been packed, prepared, or held under conditions that may have allowed the crab meat to become: Contaminated with filth; or Injurious to health. A licensee may not possess, with intent to sell for human consumption, any crab meat, the processing or sale of which would be a violation of this section. Possession by a licensee of any crab meat, the processing or selling of which would be a violation of this section, is presumptive evidence of intent to sell the crab meat for human consumption.