A joint hearing by the legislative authorities of two or more counties on the proposed creation of a cultural arts, stadium and convention district including areas within such counties may be held as provided herein:

(1) The process to initiate such a hearing shall be identical with the process provided in RCW 67.38.030(1), except a resolution of all the legislative authorities of each county with territory proposed to be included shall be necessary.

(2) No territory may be added to or deleted from such a proposed district, except by action of the county legislative authority of the county within whose boundaries the territory lies pursuant to the process provided in RCW 67.38.030.

(3) The resolutions shall each contain identical provisions concerning the governing body, as delineated in RCW 67.38.050.