Maryland Statutes
Subtitle 2 - Returns
Section 6-201 - Required

A person shall complete, under oath, and file with the Comptroller the boxing and wrestling tax return:
        (1)    on or before the 10th day of the month that follows the month in which the person has gross receipts subject to the boxing and wrestling tax; and
        (2)    for other periods and on other dates that the Comptroller specifies by regulation, including periods in which the person has no gross receipts subject to the tax.