Md. Code, Housing and Community Development § 15-109

(a) (1) The Baltimore Authority may recognize and engage in collective bargaining with the exclusive bargaining representatives of all appropriate employee bargaining units, including units consisting of:

(i) maintenance, housekeeping, and technical personnel;

(ii) administrative and clerical personnel; and

(iii) supervisory personnel.

(2) The power under paragraph (1) of this section includes the power of the Baltimore Authority to:

(i) deal with and, through an exclusive bargaining representative, address grievances and settle disputes;

(ii) meet and bargain in good faith with an exclusive bargaining representative about wages, hours, working conditions, and other terms and conditions of employment to form a binding labor agreement; and

(iii) draft and execute labor agreements that last not more than 3 consecutive fiscal years.

(3) A bargaining unit under paragraph (1) of this subsection may not include:

(i) confidential employees;

(ii) contractual employees employed for less than 5 consecutive years;

(iii) probationary employees;

(iv) attorneys in the general counsel’s office;

(v) supervisors, as defined in 29 U.S.C. § 152(11); or

(vi) employees whose main responsibility is to manage or direct independently the assets and affairs of the Baltimore Authority.

(b) The Baltimore Authority may engage in binding third-party arbitration of:

(1) disputes over a term or condition of employment; and

(2) grievances that relate to the interpretation or application of a written collective bargaining agreement, employment regulation, or work rule.

(c) The Baltimore Authority may exercise any power that is necessary and appropriate to establish and implement a system of collective bargaining with its employees.