Leviticus 1:5

1:5 Then the one presenting the offering must slaughter the bull before the Lord, and the sons of Aaron, the priests, must present the blood and splash the blood against the sides of the altar which is at the entrance of the Meeting Tent.

Leviticus 22:13

22:13 but if a priest’s daughter is a widow or divorced, and she has no children so that she returns to live in her father’s house as in her youth, she may eat from her father’s food, but no lay person may eat it.