Exodus 31:11

31:11 the anointing oil, and sweet incense for the Holy Place. They will make all these things just as I have commanded you.”

Exodus 29:1

The Consecration of Aaron and His Sons

29:1 “Now this is what you are to do for them to consecrate them so that they may minister as my priests. Take a young bull and two rams without blemish;

Exodus 29:33

29:33 They are to eat those things by which atonement was made to consecrate and to set them apart, but no one else may eat them, for they are holy.