Bible Verses About The Altar of Burnt Offering: Alone to serve

They are to be at your disposal and perform all kinds of tasks related to the tent; only they are not to come near the holy furnishings or the altar, so that neither they nor you will die.

You and your sons with you will exercise your prerogatives and duties as cohanim in regard to everything having to do with the altar and within the curtain. I entrust the service required of cohanim to you; the unauthorized person who tries to perform it is to be put to death."