1 Chronicles 15:2

15:2 Then David said, “Only the Levites may carry the ark of God, for the Lord chose them to carry the ark of the Lord and to serve before him perpetually.

1 Chronicles 15:13

15:13 The first time you did not carry it; that is why the Lord God attacked us, because we did not ask him about the proper way to carry it.”

Numbers 4:15

4:15 “When Aaron and his sons have finished covering the sanctuary and all the furnishings of the sanctuary, when the camp is ready to journey, then the Kohathites will come to carry them; but they must not touch any holy thing, or they will die. These are the responsibilities of the Kohathites with the tent of meeting.

Numbers 4:1

The Service of the Kohathites

4:1 Then the Lord spoke to Moses and Aaron:

Numbers 6:7

6:7 He must not defile himself even for his father or his mother or his brother or his sister if they die, because the separation for his God is on his head.

Numbers 6:2-3

6:2 “Speak to the Israelites, and tell them, ‘When either a man or a woman takes a special vow, to take a vow as a Nazirite, to separate himself to the Lord, 6:3 he must separate himself from wine and strong drink, he must drink neither vinegar made from wine nor vinegar made from strong drink, nor may he drink any juice of grapes, nor eat fresh grapes or raisins.