Numbers 5:18-20

18When the priest has presented the woman before the Lord, he must unbind her hair and place in her hands the offering of proof—the jealousy offering to determine whether her husband’s suspicions are justified. The priest will stand before her, holding the jar of bitter water that brings a curse to those who are guilty.

19The priest will then put the woman under oath and say to her, ‘If no other man has had sex with you, and you have not gone astray and defiled yourself while under your husband’s authority, may you be immune from the effects of this bitter water that brings on the curse.

20But if you have gone astray by being unfaithful to your husband, and have defiled yourself by having sex with another man—’