Numbers 30:7-10

7and her husband hears of it and says nothing to her on the day that he hears, then her vows shall stand, and her pledges by which she has bound herself shall stand.

8But if, on the day that her husband comes to hear of it, he opposes her, then he makes void her vow that was on her, and the thoughtless utterance of her lips by which she bound herself. And the Lord will forgive her.

9(But any vow of a widow or of a divorced woman, anything by which she has bound herself, shall stand against her.)

10And if she vowed in her husband's house or bound herself by a pledge with an oath,