Maryland Statutes
Part III - Outdoor Signs Along State Highways Generally
Section 8-721 - Information to Appear on Sign

On each outdoor sign for which a permit is required under this part, there shall be written plainly, in the manner that the Administration requires:
        (1)    The name and mailing address of the person owning or controlling the sign; and
        (2)    The number and expiration date of the permit for the sign.