Numbers 30:14

Amplified Bible

But if her husband says nothing to her [concerning the matter] from day to day, then he confirms all her vows or all her pledges which are on her. He has confirmed them because he said nothing to her on the day he heard them.

Cross References

Numbers 30:13

“Every vow and every binding oath to humble herself, her husband may confirm it or her husband may annul it.

Numbers 30:15

But if he indeed nullifies them after he hears of them, then he shall be responsible for and bear her guilt [for breaking her promise].”