Maryland Code, Land Use § 16-205

(1) an employee organization demonstrates, by petition, that at least 30% of the eligible employees in a bargaining unit support representation by an exclusive representative for collective bargaining; or

(2) an employee or an employee organization demonstrates, by petition, that at least 30% of the eligible employees in a bargaining unit no longer support the current exclusive representative.

(b)(1) At least 30 days before an election under subsection (a) of this section, the labor relations administrator shall obtain from the Commission and provide to the employee organization a list of the names, addresses, and telephone numbers of every employee in the bargaining unit.

(2) The provision of a list under this subsection by the Commission, the labor relations administrator, or a Commission official, employee, or other agent does not constitute a violation of § 4-331 of the General Provisions Article or any State or local law.

(1) the name of each employee organization that submits a valid petition requiring an election;

(2) the name of any other employee organization supported by a petition signed by at least 10% of the eligible employees in the bargaining unit; and

(3) an option for no representation.

(d)(1) If a petition described in subsection (a)(1) of this section is submitted at the same time that a petition described in subsection (a)(2) of this section is submitted, one election shall be held to determine which employee organization, if any, shall be the exclusive representative.

(2) The ballot shall contain:

(e)(1) If none of the choices on the ballot receives a majority of the votes cast, the labor relations administrator shall hold a runoff election.

(2) In the runoff election, the ballot shall contain the two choices that received the highest number of votes cast in the initial election.

(i)(1) Elections may not be conducted:

(2) During the term of a collective bargaining agreement, a petition for an election may be filed only during November of the fiscal year in which the agreement expires.