Moses
Leviticus 4:33BSB·traditional attribution

And he is to lay his hand on the head of the sin offering and slaughter it as a sin offering at the place where the burnt offering is slaughtered.

Matthew Henry Presbyterian @wholebiblehenry

I. Here is the law of the sin-offering for a common person, which differs from that for a ruler only in this, that a private person might bring either a kid or a lamb, a ruler only a kid; and that for a ruler must be a male, for the other a female: in all the circumstances of the management of the offering they agreed. Observe, 1.

Commenting on Leviticus 4:27-35

Jamieson-Fausset-Brown Reformed @jfbcommentary

SIN OFFERING FOR THE PRIEST. (Lev. 4:3-35) If the priest that is anointed do sin--that is, the high priest, in whom, considering his character as typical mediator, and his exalted office, the people had the deepest interest; and whose transgression of any part of the divine law, therefore, whether done unconsciously or heedlessly, was a very serious offense, both as regarded himself individually, and the influence of his example.

Commenting on Leviticus 4:3-35

Geneva Bible Notes Reformed @genevanotes

And he shall lay his hand upon the head of the sin offering, and slay it for a sin offering in the place where they kill the burnt offering. (l) Meaning that the punishment of his sin should be laid on the beast, or, that he had received all things from God, and offered this willingly.