Maryland Statutes
Part III - Restrictions on Injunctive Relief
Section 4-313 - Failure of Plaintiff to Fulfill Obligations

(a)    A court may not grant injunctive relief in a labor dispute:
        (1)    if the plaintiff has failed to comply with each obligation imposed by law that is involved in the labor dispute; or
        (2)    except as provided in subsection (b) of this section, if the plaintiff has failed to make every reasonable effort to settle the labor dispute:
            (i)    by negotiation; or
            (ii)    with the help of available dispute resolution mechanisms, governmental mediation, or voluntary arbitration.
    (b)    If irreparable injury is threatened, a court may grant injunctive relief before another tribunal acts to settle the labor dispute.