Sec. 404. (a) ADVISORY. Each advisory plan commission shall sue and be sued collectively by its legal name, styled according to the municipality or county, "__________ Plan Commission", with service of process on the executive director or the president of the commission. No costs may be taxed against the commission or any of its members in any action.
(b) AREA. Each area plan commission shall sue and be sued collectively by its legal name, styled "The Area Plan Commission of __________ County" or a similar title adopted by official resolution of the commission, with service of process on the executive director or by leaving a copy at the office of the commission. No costs may be taxed against the commission or any of its members in any action.
(c) METRO. The metropolitan development commission shall sue and be sued collectively by its legal name, styled "The Metropolitan Development Commission of __________ County", with service of process on the director of the department of metropolitan development or by leaving a copy at the office of the department. No costs may be taxed against the commission or any of its members in any action.