Numbers 5:30 (BSB)

or when a feeling of jealousy comes over a husband and he suspects his wife. He is to have the woman stand before the LORD, and the priest is to apply to her this entire law.

From Numbers 5. Also in the ESV.

Commentary on Numbers 5:30

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Numbers 5:11-31: We have here the law concerning the solemn trial of a wife whose husband was jealous of her. Observe, I. What was the case supposed: That a man had some reason to suspect his wife to have committed adultery, Num 5:12-14. Here, 1. The sin of adultery is justly represented as an exceedingly sinful sin; it is going aside from God and virtue, and the good way, Pro 2:17.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Numbers 5:30: Or when the spirit of jealousy cometh upon him, and he be jealous over his wife,.... See Gill on Num 5:14, and shall set the woman before the Lord; has carried the matter so far as to bring his wife to the priest or civil magistrate, and declare his suspicion, and the ground of it: and the priest shall execute upon her all this law...
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on Numbers 5:11-31: Num 5:11-31 Sentence of God upon Wives Suspected of Adultery. - As any suspicion cherished by a man against his wife, that she either is or has been guilty of adultery, whether well-founded or not, is sufficient to shake the marriage connection to its very roots, and to undermine, along with marriage, the foundation of the civil commonwealth, it was of the greatest importance to...