(1) Except as otherwise provided by ORS 198.775, 261.210 and 568.542, the expenses incurred for a district election shall be paid by that district.
(2) When two or more districts hold an election on the same day, the expenses of the election shall be equitably apportioned among the districts.
(3) The Secretary of State by rule:
(a) May designate a formula for the apportionment of expenses under subsection (2) of this section; and
(b) Designate categories of election expenses that are chargeable to a district.