The president and chief clerk of the senate are respectively authorized to administer to any member or officer of the senate any oath or affirmation as a member or officer of the court for the trial of impeachments, and to administer any oath or affirmation to any other person in any proceeding before such court.
Wis. Stat. § 750.01
Administration of oaths
1977 c. 187 s. 72; Stats. 1977 s. 750.01.
Official source: Wisconsin State Legislature. Reproduced from public-domain Wisconsin statutes; confirm against the official source for the current text. Not legal advice.