Leviticus 14:13

13 He is to slaughter the lamb in the sanctuary area where the sin offeringa and the burnt offering are slaughtered. Like the sin offering, the guilt offering belongs to the priest; it is most holy.

Read Leviticus 14:13 Using Other Translations

And he shall slay the lamb in the place where he shall kill the sin offering and the burnt offering, in the holy place: for as the sin offering is the priest's, so is the trespass offering: it is most holy:
And he shall kill the lamb in the place where they kill the sin offering and the burnt offering, in the place of the sanctuary. For the guilt offering, like the sin offering, belongs to the priest; it is most holy.
He will then slaughter the male lamb in the sacred area where sin offerings and burnt offerings are slaughtered. As with the sin offering, the guilt offering belongs to the priest. It is a most holy offering.