Md. Code, Local Government § 13–310

(a) Before conducting business in a county, a transient vendor shall obtain

a transient vendor license required under this part.

(b) (1) This part does not exempt a transient vendor from obtaining any

other license or permit from:

(i) the United States;

(ii) the State;

(iii) the county;

(iv) any municipality in Frederick County; or

(v) the City of Hagerstown.

(2) This part does not exempt a transient vendor from liability, tax

liability, or any other regulations that may be applicable in:

(i) the United States;

(ii) the State;

(iii) the county;

(iv) any municipality in Frederick County; or

(v) the City of Hagerstown.

(c) Unless otherwise allowed by law, a transient vendor may not sell goods

on Sunday.

(d) A person who engages in business as a transient vendor in violation of

this part is guilty of a misdemeanor and on conviction is subject to imprisonment not

exceeding 1 year or a fine not exceeding $2,500 or both.