(a) Except as provided by Subsection (b) of this section, if this subchapter is not adopted at an election, another election for that purpose may not be held in the county or area in which the election was held earlier than one year after the date of the election.
(b) Defeat of adoption of this subchapter at a countywide election does not prevent another election for that purpose from being held immediately thereafter for an area within the county. Defeat of adoption of this subchapter at an election held in an area within a county does not prevent a countywide election for that purpose from being held immediately thereafter.