Sec. 4. (a) A county legislative body may not adopt an ordinance ordering a dissolution under section 3 of this chapter after January 1 of a year in which:
(1) a general election is held; and
(2) a township trustee is elected.
(b) The county legislative body may not adopt an ordinance ordering a dissolution under section 3 of this chapter less than one (1) year before the dissolution takes effect.
(c) A dissolution under this chapter may reduce the term of the township trustee of the merged township government.