Maryland Statutes
Subtitle 3 - General Business Licensing Provisions
Section 17-305 - Term of License

(a)    (1)    Except as otherwise provided in this title, a license is effective on May 1.
        (2)    Whenever a person begins business after May 31, the clerk shall issue a license that is effective on the first of the month when the person begins business under the license.
    (b)    Except as otherwise provided in this title, a license expires on the first April 30 after its effective date.