Maryland Code, Business Regulation § 17-1805

(a)(1) In Baltimore County, the clerk may not issue a trader's license for the first time without the approval of the zoning commissioner.

(2) In an area of Cecil County where the Cecil County Office of Planning and Zoning has jurisdiction, the clerk may not issue a trader's license for the first time until the applicant has obtained zoning approval from that office.

(4) In Calvert County, the clerk may not issue a trader's license without the approval of the Director of the Office of Planning and Zoning for all new licenses and for any changes to a location for an existing license.

(c)(1) This subsection does not apply to a county or municipal corporation that selects a uniform license fee under § 17-1806 of this subtitle.

(2) A clerk may not issue a trader's license until the clerk reviews the accuracy of the statement made by the applicant on the application for a trader's license under § 17-1804 of this subtitle regarding the place where the applicant will do business as a trader.