Leviticus 14:15

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 the priest shall take [some] of the blood of the trespass offering, and the priest shall put [it] upon the tip of the right ear of him that is to be cleansed, and upon the thumb of his right hand, and upon the great toe of his right foot:

And the priest shall dip his right finger in the oil that [is] in his left hand, and shall sprinkle of the oil with his finger seven times before the LORD:

And of the rest of the oil that [is] in his hand shall the priest put upon the tip of the right ear of him that is to be cleansed, and upon the thumb of his right hand, and upon the great toe of his right foot, upon the blood of the trespass offering: