NET

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.

Darby

26 And he shall burn all its fat on the altar, as the fat of the sacrifice of peace-offering; and the priest shall make atonement for him [to cleanse him] from his sin, and it shall be forgiven him.

KJV

26 And he shall burn all his fat upon the altar, as the fat of the sacrifice of peace offerings: and the priest shall make an atonement for him as concerning his sin, and it shall be forgiven him.