Md. Code, Business Regulation § 17-921
§17–921.
(a) Except as otherwise provided in Part III of this subtitle, unless a person has a peddler license, the person may not in Calvert County:
(1) sell or offer for sale at wholesale or retail any vegetables, eggs, poultry, meats, or other farm products; or
(2) sell or offer for sale at retail any dry goods or clothing.
(b) A person who violates this section is guilty of a misdemeanor and, on conviction, is subject to a fine not exceeding $500.