Leviticus 3:3

3:3 Then the one presenting the offering must present a gift to the Lord from the peace offering sacrifice: He must remove the fat that covers the entrails and all the fat that surrounds the entrails,

Leviticus 13:12-13

13:12 If, however, the disease breaks out on the skin so that the disease covers all the skin of the person with the infection from his head to his feet, as far as the priest can see, 13:13 the priest must then examine it, and if the disease covers his whole body, he is to pronounce the person with the infection clean. He has turned all white, so he is clean.