Oregon Revised Statutes Elections § 255.345

(1) Except as provided in subsection (2) of this section, a special election called by a district elections authority shall not be held on any date other than:

(2) A special election may be held on a date other than that provided in subsection (1) of this section, if the district elections authority by resolution finds that an election sooner than the next available election date is required on a measure to finance repairs to property damaged by fire, vandalism or a natural disaster.

(3) As used in this section, “district elections authority” means the body or officer authorized or required to call an election for a public corporation formed under, and deriving its powers solely from, the statutes of this state, but does not include a city or county.