Moses
Leviticus 6:25BSB·traditional attribution

“Tell Aaron and his sons that this is the law of the sin offering: In the place where the burnt offering is slaughtered, the sin offering shall be slaughtered before the LORD; it is most holy.

John Calvin Reformed @genevareformer

25. Speak unto Aaron. We everywhere see how carefully God provided that the people should have no doubts about anything. And assuredly true religion is distinguished from false imaginations by this peculiar mark, that God Himself prescribes what is to be done. Nor can certainty, though religion ought to be based upon it, be derived elsewhere than from His own mouth.

Matthew Henry Presbyterian @wholebiblehenry

We have here so much of the law of the sin-offering as did peculiarly concern the priests that offered it. As, 1. That it must be killed in the place where the burnt-offering was killed (Lev 6:25), that is, on the north side of the altar (Lev 1:11), which, some think typified the crucifying of Christ on mount Calvary, which was on the north side of Jerusalem. 2.

Commenting on Leviticus 6:24-30

John Gill Reformed Baptist @doctorgill

The priest that offereth it for sin shall eat it,.... Thereby signifying that he bore the sin of the person that brought the offering, and made atonement for it; as a type of Christ, who bore the sins of his people in his own body on the tree, and made satisfaction for them; see Lev 10:17.