Disallowance of demurrer. If the demurrer is disallowed, the court shall permit the defendant, at the election of the defendant, to plead, which the defendant must do forthwith or at such time as the court may allow; but if the defendant does not plead, a plea of not guilty shall be entered. [Amended by 1973 c.836 §189]

ORS 135.700 — under Chapter 135.