Numbers 6:6

6:6 “‘All the days that he separates himself to the Lord he must not contact a dead body.

Numbers 6:9

Contingencies for Defilement

6:9 “‘If anyone dies very suddenly beside him and he defiles his consecrated head, then he must shave his head on the day of his purification – on the seventh day he must shave it.

Numbers 6:11

6:11 Then the priest will offer one for a purification offering and the other as a burnt offering, and make atonement for him, because of his transgression in regard to the corpse. So he must reconsecrate his head on that day.