Hebrews 5:3

and because of it he is obligated to offer [sacrifices] for sins {for himself also, as well as for the people}.

Hebrews 7:27

who does not {need every day} like the former high priests to offer up sacrifices for his own sins [and] then for the [sins] of the people, because he did this once for all [when he] offered up himself.

Hebrews 9:7

but only the high priest [enters] into the second [tent] once a year, not without blood, which he offers on behalf of himself and the [sins] of the people committed in ignorance.

Leviticus 9:7

Then Moses said to Aaron, "Approach the altar and {sacrifice} your sin offering and your burnt offering, and make atonement for yourself and for the people. And {sacrifice} the people's offering and make atonement for them, [just] as Yahweh has commanded."

Leviticus 16:6

"And Aaron shall present the sin offering's bull, which [is] for himself, and so he shall make atonement for himself and for his family.

Exodus 29:12-19

And you will take [some] of the blood of the bull and with your finger put it on the horns of the altar, and you will pour out all the blood at the base of the altar.

Leviticus 4:3-12

if the anointed priest sins, {bringing guilt on the people}, then, concerning the sin that he has {committed}, he shall bring {a young bull} without defect for Yahweh as a sin offering.

Leviticus 8:14-21

Then he brought forth the bull of the sin offering, and Aaron and his sons placed their hands on the head of the bull of the sin offering,

Leviticus 16:15

"And he shall slaughter the sin offering's goat, which [is] for the people, and he shall bring its blood {from behind} the curtain, and he shall do with its blood as that which he did with the bull's blood, and he shall spatter it on the atonement cover and {before} the atonement cover.

Treasury of Scripture Knowledge

Summary

And by reason hereof he ought, as for the people, so also for himself, to offer for sins.

General references

Bible References

As

Hebrews 7:27
who does not {need every day} like the former high priests to offer up sacrifices for his own sins [and] then for the [sins] of the people, because he did this once for all [when he] offered up himself.
Hebrews 9:7
but only the high priest [enters] into the second [tent] once a year, not without blood, which he offers on behalf of himself and the [sins] of the people committed in ignorance.
Exodus 29:12
And you will take [some] of the blood of the bull and with your finger put it on the horns of the altar, and you will pour out all the blood at the base of the altar.
Leviticus 4:3
if the anointed priest sins, {bringing guilt on the people}, then, concerning the sin that he has {committed}, he shall bring {a young bull} without defect for Yahweh as a sin offering.
Leviticus 8:14
Then he brought forth the bull of the sin offering, and Aaron and his sons placed their hands on the head of the bull of the sin offering,
Leviticus 9:7
Then Moses said to Aaron, "Approach the altar and {sacrifice} your sin offering and your burnt offering, and make atonement for yourself and for the people. And {sacrifice} the people's offering and make atonement for them, [just] as Yahweh has commanded."
Leviticus 16:6
"And Aaron shall present the sin offering's bull, which [is] for himself, and so he shall make atonement for himself and for his family.

General references

Leviticus 9:15
Then he presented the people's offering, and he took the goat of the sin offering, which [was] for the people, and he slaughtered it and offered it [as] a sin offering like the first one.