Numbers 6:12-13

Thomson(i) 12 And on that day he shall hallow r his head which was consecrated to the Lord, for the days of his vow, and bring a lamb of the first year for a trespass offering: And the former days shall not be counted, because the head of his vow was defiled. 13 Now this is the law of him who hath made the vow; When the days of his vow are fulfilled; he shall bring to the doors of the tabernacle of the testimony