Ezekiel 44:27
And on the day that he goes into the Holy Place, into the inner court, to minister in the Holy Place, he shall offer his sin offering, declares the Lord GOD.
Numbers 6:9-11
"And if any man dies very suddenly beside him and he defiles his consecrated head, then he shall shave his head on the day of his cleansing; on the seventh day he shall shave it.
Leviticus 4:3-35
if it is the anointed priest who sins, thus bringing guilt on the people, then he shall offer for the sin that he has committed a bull from the herd without blemish to the LORD for a sin offering.
Leviticus 8:14-36
Then he brought the bull of the sin offering, and Aaron and his sons laid their hands on the head of the bull of the sin offering.
Ezekiel 44:17
When they enter the gates of the inner court, they shall wear linen garments. They shall have nothing of wool on them, while they minister at the gates of the inner court, and within.
Hebrews 7:26-28
For it was indeed fitting that we should have such a high priest, holy, innocent, unstained, separated from sinners, and exalted above the heavens.