Maryland Statutes
Subtitle 3 - Code Counties
Section 9-312 - Effective Dates of Public Local Laws

(a)    Except as provided in subsection (b) of this section, a public local law enacted by the county commissioners of a code county takes effect:
        (1)    45 days after it is enacted; or
        (2)    at a later date specified in the public local law.
    (b)    (1)    A public local law takes effect on the date of its passage if it is passed as an emergency bill.
        (2)    An emergency bill may not:
            (i)    abolish or create an office;
            (ii)    change a salary, term, or duty of an officer;
            (iii)    grant a franchise or special privilege; or
            (iv)    create a vested right or interest.