Leviticus 7:7
As the sin-offering, so is the trespass-offering; there shall be one law for them: it shall be the priest's who maketh atonement therewith.
Leviticus 6:25-26
Speak unto Aaron and to his sons, saying, This is the law of the sin-offering. At the place where the burnt-offering is slaughtered shall the sin-offering be slaughtered before Jehovah: it is most holy.
Leviticus 14:13
And he shall slaughter the he-lamb at the place where the sin-offering and the burnt-offering are slaughtered, in a holy place; for as the sin-offering, so the trespass-offering is the priest's: it is most holy.
1 Corinthians 9:13
Do ye not know that they who labour at sacred things eat of the offerings offered in the temple; they that attend at the altar partake with the altar?