Leviticus 4:19

4:19 “‘Then the priest must take all its fat and offer the fat up in smoke on the altar.

Leviticus 4:26

4:26 Then the priest must offer all of its fat up in smoke on the altar like the fat of the peace offering sacrifice. So the priest will make atonement on his behalf for his sin and he will be forgiven.

Leviticus 4:31

4:31 Then he must remove all of its fat (just as fat was removed from the peace offering sacrifice) and the priest must offer it up in smoke on the altar for a soothing aroma to the Lord. So the priest will make atonement on his behalf and he will be forgiven.

Leviticus 4:35

4:35 Then the one who brought the offering must remove all its fat (just as the fat of the sheep is removed from the peace offering sacrifice) and the priest must offer them up in smoke on the altar on top of the other gifts of the Lord. So the priest will make atonement on his behalf for his sin which he has committed and he will be forgiven.