(a)    A petition for the election of an exclusive representative of a bargaining unit may be filed with the Board by:
        (1)    an employee organization seeking certification as an exclusive representative; or
        (2)    an employee, a group of employees, or an employee organization seeking a new election to determine an exclusive representative.
    (b)    A petition shall:
        (1)    contain the information the Board requires; and
        (2)    be accompanied by a showing of interest supported by 30% of the employees in the appropriate unit indicating their desire to be exclusively represented by the petitioner for the purpose of collective bargaining.
Structure Maryland Statutes
Title 3 - Collective Bargaining
Subtitle 4 - Election and Certification of Exclusive Representative
Section 3-401 - Election of Exclusive Representative of Bargaining Unit
Section 3-402 - Petitions for Election of Exclusive Representative
Section 3-403 - Determination of Appropriateness of Bargaining Units
Section 3-404 - Certification Filing Requirements
Section 3-407 - Responsibilities of Certified Exclusive Employee Representative