Leviticus 9:8
The Sin Offering for the Priests
9:8 So Aaron approached the altar and slaughtered the sin offering calf which was for himself.
Leviticus 9:12
The Burnt Offering for the Priests
9:12 He then slaughtered the burnt offering, and his sons handed the blood to him and he splashed it against the altar’s sides.
Hebrews 7:27
7:27 He has no need to do every day what those priests do, to offer sacrifices first for their own sins and then for the sins of the people, since he did this in offering himself once for all.
Hebrews 9:8
9:8 The Holy Spirit is making clear that the way into the holy place had not yet appeared as long as the old tabernacle
was standing.