Numbers 30:6-8

6“However, if she happens to 1marry while 2under her vows or the impulsive statement of her lips by which she has obligated herself, 7and her husband hears of it and says nothing to her on the day he hears it, then her vows shall remain valid and her binding obligations under which she has put herself shall remain valid. 8But if on the day her husband hears of it, he expresses disapproval to her, then he will annul her vow which 3she is under and the impulsive statement of her lips by which she has obligated herself; and the Lord will 4forgive her.