Hebrews 5:1

For every chief priest taken from men is appointed in behalf of men over things relating to God, that he may offer gifts and sacrifices for sins,

Hebrews 7:27

who has no need daily as the chief priests first to present sacrifices for their sins, then for those of the people; for this he did once for all, having offered himself.

Hebrews 8:3-4

For every chief priest is constituted to offer gifts and sacrifices, whence it was necessary that this man also should have something to offer.

Treasury of Scripture Knowledge

Summary

This is the offering of Aaron and of his sons, which they shall offer unto the LORD in the day when he is anointed; the tenth part of an ephah of fine flour for a meat offering perpetual, half of it in the morning, and half thereof at night.

Bible References

The offering

Hebrews 5:1
For every chief priest taken from men is appointed in behalf of men over things relating to God, that he may offer gifts and sacrifices for sins,
Hebrews 7:27
who has no need daily as the chief priests first to present sacrifices for their sins, then for those of the people; for this he did once for all, having offered himself.
Hebrews 8:3
For every chief priest is constituted to offer gifts and sacrifices, whence it was necessary that this man also should have something to offer.