Leviticus 6:25

Lev 6:25 Speak unto Aaron and to his sons, saying, This [is] the law of the sin offering: In the place where the burnt offering is killed shall the sin offering be killed before the LORD: it [is] most holy.

Ver. 25. In the place, ] i.e., At the north side of the altar. And why See Trapp on " Lev 5:9 "