Maryland Code, ALCOHOLIC BEVERAGES AND CANNABIS 27-1504
(2) If the license holder fails to maintain more gross receipts from the sale of food than gross receipts from the sale of alcoholic beverages for a 6-month period, the Board may revoke the license.
(b) (1) Subject to paragraph (2) of this subsection, a license holder of a Class B license of any type shall file with the Board a sworn statement that the gross receipts from food sales in the restaurant for the 6-month period immediately before the filing of the report are more than the gross receipts from the sale of alcoholic beverages.
(2) The Board may require a license holder to provide:
(i) the sworn statement required under paragraph (1) of this subsection at least biannually, on dates to be set by the Board; and
(ii) supporting data to establish that the requirements of paragraph (1) of this subsection have been met.