Maryland Code, Alcoholic Beverages and Cannabis § 23-403

(a) The licensed premises for which a Class 7 micro-brewery license is issued may be separate from the restaurant premises for which a Class B beer, wine, and liquor license is issued, but shall be under the same roof.

(b) The Executive Director may issue the Class 7 micro-brewery license not more than 36 months before the restaurant is complete and the Class B beer, wine, and liquor (on-sale) license is issued.

(c) If the restaurant does not obtain a Class B beer, wine, and liquor (on-sale) license within 36 months after opening, the Class 7 micro-brewery license is revoked immediately.

(d) A Class 7 micro-brewery license holder may hold a Class 8 farm brewery license for a premises located in the county.