Initiative and Referendum Timeline for Ballot Placement (ORS 203.085 and 250.221)
For a County Measure
After the county elections official has determined that the initiative or referendum has the constitutionally required number of valid signatures needed to be placed on the ballot, the county elections official shall establish the date for the measure election.
To determine the date of the election for an initiative or referendum, day one is the first day after the chief petitioner submits 100% of the constitutionally required number of signatures for verification.
The election shall be held on the next available election date in ORS 203.085 that is no sooner than the 90th day after the measure was filed for signature verification with the county elections official and for which a sufficient number of signatures have been verified.