Leviticus 4:5

2 Speak to the children of Israel, saying, If a soul shall sin through ignorance against any of the commandments of the LORD [concerning things] which ought not to be done, and shall violate any of them:

3 If the priest that is anointed shall sin according to the sin of the people; then let him bring, for his sin which he hath sinned, a young bullock without blemish to the LORD for a sin-offering.

4 And he shall bring the bullock to the door of the tabernacle of the congregation before the LORD; and shall lay his hand upon the bullock's head, and kill the bullock before the LORD.

5 And the priest that is anointed shall take of the bullock's blood, and bring it to the tabernacle of the congregation:

6 And the priest shall dip his finger in the blood, and sprinkle of the blood seven times before the LORD, before the vail of the sanctuary.

7 And the priest shall put [some] of the blood upon the horns of the altar of sweet incense before the LORD, which [is] in the tabernacle of the congregation; and shall pour all the blood of the bullock at the bottom of the altar of the burnt-offering, which [is at] the door of the tabernacle of the congregation.

8 And he shall take off from it all the fat of the bullock for the sin-offering; the fat that covereth the inwards, and all the fat that [is] upon the inwards,