No labor agreement or contract entered into by a port district shall:
(1) Restrict the right of the port district in its discretion to hire;(2) Limit the right of the port to secure its regular or steady employees from the local community;(3) Include within the same agreements: (a) Port security personnel and (b) port supervisory personnel; and(4) Include within the same bargaining unit: (a) Port professional personnel and (b) port supervisory personnel.Amended by 2018 c 251,§ 2, eff. 6/7/2018.