If a signature sheet of a petition is not certified by the circulator as required under ORS 198.430, 198.750, 221.031, 248.008, 249.061, 249.740, 249.865, 250.045, 250.165, 250.265, 255.135, 261.115 and 545.025, signatures contained on the signature sheet may not be counted for purposes of determining whether the petition contains the required number of signatures of electors. [2007 c.848 §8b]
Oregon Legal Code