And before they leave to join the other people in the outer courtyard, they must take off their priestly clothes, then place them in the sacred rooms and put on their ordinary clothes. That way, no one will touch their sacred clothes and be harmed.
The next morning you will dress in your priestly clothes, including your linen underwear. Then clean away the ashes left by the sacrifices and pile them beside the altar.
The fire must never go out, so put wood on it each morning. After this, you are to lay an animal on the altar next to the fat that you sacrifice to ask my blessing. Then send it all up in smoke to me.
and told him what sacrifices the priests must offer on the morning and evening of the day they are ordained: It is the same as the regular morning and evening sacrifices—half a kilogramme of flour
Each of Aaron's descendants who is ordained as a priest must perform this ceremony and make sure that the bread is completely burnt on the altar. None of it may be eaten!