1 Chronicles 6:49

But Aaron and his descendants were the ones who presented offerings on the altar of burnt offering and on the altar of incense in connection with all that was done in the Most Holy Place, making atonement for Israel, in accordance with all that Moses the servant of God had commanded.

Exodus 27:1-8

Build the altar with acacia wood. It should be seven and one half feet square and four and one half feet tall.

Exodus 30:1-7

Build an altar out of acacia wood for burning incense.

Exodus 30:10-16

Once a year Aaron must make atonement with Jehovah by putting blood on its horns. Once a year for generations to come blood from the offering must be placed on the altar to make atonement with Jehovah. It is most holy to Jehovah.

Leviticus 4:20

He will do the same thing with this bull that he did with the bull used as the offering for sin. So the priest will pay compensation for the wrong and make peace with Jehovah for the people. They will be forgiven.

Exodus 29:33

They shall eat those things used for their atonement and their ordination and consecration. A layman shall not eat them, because they are holy.

Exodus 29:36-37

Offer a bull as a sin offering for atonement each day. Purify the altar when you make atonement for it. Anoint it to consecrate it.

Leviticus 1:5

Slaughter the bull in Jehovah's presence. Aaron's sons, the priests, will offer the blood. They will throw it against all sides of the altar that is at the entrance to the Tent of Meeting.

Leviticus 1:7-9

The sons of the priest Aaron will start a fire on the altar and lay the wood on the fire.

Leviticus 8:1-10

Jehovah continued to speak to Moses:

Leviticus 21:1-22

Jehovah gave Moses these instructions for Aaron's sons, the priests: Touching a dead body will make you unclean. So do not go near a dead relative,

Numbers 15:25

The priest will perform the ritual of purification for the congregation. They will be forgiven since the mistake was unintentional and they brought their sin offering as a food offering to Jehovah

Numbers 16:16-13

Moses said to Korah: Tomorrow you and all your followers must come into Jehovah's presence. Aaron will also be there with you.

Deuteronomy 18:1-8

The Levitical priests including the entire tribe of Levi will receive no land or property of their own like the rest of the Israelites. They will eat what has been sacrificed to Jehovah. These sacrifices will be what they receive.

Deuteronomy 34:5

Moses the servant of Jehovah died there in the land of Moab, according to the word of Jehovah.

Joshua 1:1

Moses the servant of Jehovah (YHWH) died. After his death Jehovah spoke to Joshua the son of Nun, Moses' minister, saying:

Job 33:24

to be gracious to him and say: 'Spare him from going down to the pit. I have found a ransom for him!'

Hebrews 7:11-14

If perfection had been attainable through the Levitical priesthood, for under it the people received the Law, what further need would there have been for another priest to arise after the order of Melchizedek, instead of one named after the order of Aaron?

Treasury of Scripture Knowledge

Summary

But Aaron and his sons offered upon the altar of the burnt offering, and on the altar of incense, and were appointed for all the work of the place most holy, and to make an atonement for Israel, according to all that Moses the servant of God had commanded.

Bible References

Aaron

Exodus 27:1
Build the altar with acacia wood. It should be seven and one half feet square and four and one half feet tall.
Exodus 30:1
Build an altar out of acacia wood for burning incense.
Leviticus 1:5
Slaughter the bull in Jehovah's presence. Aaron's sons, the priests, will offer the blood. They will throw it against all sides of the altar that is at the entrance to the Tent of Meeting.
Numbers 16:16
Moses said to Korah: Tomorrow you and all your followers must come into Jehovah's presence. Aaron will also be there with you.
Deuteronomy 18:1
The Levitical priests including the entire tribe of Levi will receive no land or property of their own like the rest of the Israelites. They will eat what has been sacrificed to Jehovah. These sacrifices will be what they receive.
Hebrews 7:11
If perfection had been attainable through the Levitical priesthood, for under it the people received the Law, what further need would there have been for another priest to arise after the order of Melchizedek, instead of one named after the order of Aaron?

Moses

Deuteronomy 34:5
Moses the servant of Jehovah died there in the land of Moab, according to the word of Jehovah.
Joshua 1:1
Moses the servant of Jehovah (YHWH) died. After his death Jehovah spoke to Joshua the son of Nun, Moses' minister, saying: