At the time and place appointed and before the senate proceeds to act on the impeachment, the secretary must administer to the president of the senate, and the president of the senate to each of the members of the senate then present, an oath truly and impartially to hear, try, and determine the impeachment; and no member of the senate can act or vote upon the impeachment or upon any question arising thereon without having taken such oath.
Idaho Code § 19-4009
Senate to be sworn
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.