but into the second [inner tabernacle, the Holy of Holies], only the high priest enters [and then only] once a year, and never without [bringing a sacrifice of] blood, which he offers [as a substitutionary atonement] for himself and for the sins of the people committed in ignorance.

A young

if the anointed priest sins, bringing guilt on the people, then he shall offer to the Lord a young bull without blemish as a sin offering for the sin he has committed.

Then he brought the bull for the sin offering, and Aaron and his sons laid their hands on the head of the bull.

‘Then on the tenth day of this seventh month you shall have a holy [summoned] assembly [for the Day of Atonement]; and you shall humble yourselves; you shall not do any work.

A ram for a burnt-offering

If his offering is a burnt offering from the herd, he shall offer a male without blemish; he shall offer it at the doorway of the Tent of Meeting so that he may be accepted before the Lord.

He brought the ram for the burnt offering, and Aaron and his sons laid their hands on the head of the ram.

Then say to the Israelites, ‘Take a male goat as a sin offering, and a calf and a lamb, both one year old, without blemish, as a burnt offering,

General references

“Aaron shall present the bull as the sin offering for himself and make atonement for himself and for his household (the other priests), and he shall kill the bull as the sin offering for himself.