Numbers 18:3
And they shall keep your charge, and the charge of all the tabernacle: only they shall not come near the vessels of the sanctuary and the altar, that neither they, nor you also, die.
Torrey's Topical Textbook—AKJV

1 Chronicles 23:32
And that they should keep the charge of the tabernacle of the congregation, and the charge of the holy place, and the charge of the sons of Aaron their brothers, in the service of the house of the LORD.
Torrey's Topical Textbook—AKJV