(a) If an authority that orders an election on a measure determines that the action to be authorized by the voters may not be taken, regardless of the outcome of the election, the authority may declare the measure moot and remove the measure from the ballot.
(b) If a measure is declared moot under this section and is removed from the ballot, the authority holding the election shall post notice of the declaration during early voting by personal appearance and on election day, at each polling place that would have been used for the election on the measure.

(c) A county election officer, as defined by § 31.091, may use a single combined notice of cancellation under Subsection (b) for all authorities:
(1) for which the officer provides election services under contract; and
(2) that declare an election moot under Subsection (a).