Numbers 30:3

1 So Moses gave the children of Israel all these directions as the Lord had given him orders.

2 And Moses said to the heads of the tribes of the children of Israel, This is the order of the Lord.

3 When a man takes an oath to the Lord, or gives an undertaking having the force of an oath, let him not go back from his word, but let him do whatever he has said he will do.

4 If a woman, being young and under the authority of her father, takes an oath to the Lord or gives an undertaking;

5 If her father, hearing of her oath or the undertaking she has given, says nothing to her, then all her oaths and every undertaking she has given will have force.

6 But if her father, hearing of it, makes her take back her word, then the oaths or the undertakings she has given will have no force; and she will have forgiveness from the Lord, because her oath was broken by her father.

7 And if she is married to a husband at the time when she is under an oath or an undertaking given without thought;