Leviticus 3:5-9

⁵That it may be burned by Aaron's sons on the altar, on the burned offering which is on the wood on the fire: it is an offering made by fire of a sweet smell to the Lord.

⁶And if what he gives for a peace-offering to the Lord is of the flock, let him give a male or female, without any mark on it.

⁷If his offering is a lamb, then let it be placed before the Lord:

⁸And he is to put his hand on the head of his offering and put it to death before the Tent of meeting; and Aaron's sons are to put some of its blood on and round the altar.

⁹And of the peace-offering, let him give an offering made by fire to the Lord; the fat of it, all the fat tail, he is to take away near the backbone; and the fat covering the inside parts and all the fat on the inside parts,