Numbers 5:18-20

American Standard Version

¹⁸ And the priest shall set the woman before Jehovah, and let the hair of the woman’s head go loose, and put the meal-offering of memorial in her hands, which is the meal-offering of jealousy: and the priest shall have in his hand the water of bitterness that causeth the curse. ¹⁹ And the priest shall cause her to swear, and shall say unto the woman, If no man have lain with thee, and if thou have not gone aside to uncleanness, ^[a]being under thy husband, be thou free from this water of bitterness that causeth the curse. ²⁰ But if thou have gone aside, ^[b]being under thy husband, and if thou be defiled, and some man have lain with thee besides thy husband: