The following terms however used or referred to in this chapter, shall have the following meanings, unless a different meaning is required by the context:
(1) "Corporate authority" shall mean the council or other legislative body of a municipality.
(2) "Municipality" shall mean any incorporated city, town, county pursuant to RCW
36.57.100 and
36.57.110, any county transportation authority created pursuant to chapter
36.57 RCW, any public transportation benefit area created pursuant to chapter
36.57A RCW, or any metropolitan municipal corporation created pursuant to RCW
35.58.010, et seq: PROVIDED, That the term "municipality" shall mean in respect to any county performing the public transportation function pursuant to RCW
36.57.100 and
36.57.110 only that portion of the unincorporated area lying wholly within such unincorporated transportation benefit area.
(3) "Person" shall mean any individual, firm, partnership, corporation, company, association, joint stock association, school district or political subdivision of the state, fraternal, benevolent, religious or charitable society, club or organization, and shall include any trustee, receiver, assignee, or other person acting in a similar representative capacity. The term "person" shall not be construed to include the United States nor the state of Washington.