When the Senate is sitting as a court of impeachment the Senators shall be on oath or affirmation, impartially to try the party impeached, and no person shall be convicted without the concurrence of two-thirds (2/3) of the Senators present.
Okla. Stat. tit. 51, § 53
Oath - Concurrence of Senators
Added by Laws 1915, c. 131, § 3, emerg. eff
Official source: Oklahoma Legislature. Reproduced from public-domain Oklahoma statutes; confirm against the official source for the current text. Not legal advice.