Moses
Leviticus 3:9BSB·traditional attribution

And from the peace offering he shall bring a food offering to the LORD consisting of its fat: the entire fat tail cut off close to the backbone, the fat that covers the entrails, all the fat that is on them,

Matthew Henry Presbyterian @wholebiblehenry

Directions are here given concerning the peace-offering, if it was a sheep or a goat. Turtle-doves or young pigeons, which might be brought for whole burnt offerings, were not allowed for peace-offerings, because they have no fat considerable enough to be burnt upon the altar; and they would be next to nothing if they were to be divided according to the law of the peace-offerings.

Commenting on Leviticus 3:6-17

John Gill Reformed Baptist @doctorgill

And he shall offer of the sacrifice of the peace offering,.... That is, the priest, Aaron, or one of his two sons: an offering made by fire unto the Lord; that part of it which was to be burnt with fire; and in the peace offering of the lamb there was something more than in the peace offering of the bullock, or of the goat...

Geneva Bible Notes Reformed @genevanotes

And he shall offer of the sacrifice of the peace offering an offering made by fire unto the LORD; the fat thereof, [and] the whole rump, it shall he take off hard by the backbone; and the fat that covereth the inwards, and all the fat that [is] upon the inwards, (d) The burnt offering was completely consumed, and of the offering made by fire...