This is the law of the leprous disease in a garment of wool or linen, either in the warp or woof, or anything of leather to determine if it is clean or unclean.
then the man shall bring his wife to the priest and he shall bring her offering for her, one-tenth of an ephah of barley flour. He shall pour no oil on it nor put frankincense on it, for it is a grain offering of jealousy, a grain offering of remembrance, bringing iniquity to remembrance.
And the priest will charge her by an oath, and say to the woman, “If no man has lain with you, and if you have not gone astray to impurity with another instead of your husband, be free from this bitter water that causes the curse.
or when the spirit of jealousy comes on him, and he is jealous over his wife, and will set the woman before the Lord, and the priest will perform on her all this law.