If the demurrer is disallowed, the court must permit the defendant at his election to plead, which he must do forthwith, or at such time as the court may direct. If he does not plead, the plea of not guilty must be entered for him.
Idaho Code § 19-1710
Plea after disallowance
Current official text: Idaho Statutes (Idaho Legislature). Digitized from the UniCourt Code Improvement Commission public-domain capture. Reproduced from public-domain Idaho statutes; confirm against the official source for the current text. Not legal advice.