Leviticus 5:12

5:12 He must bring it to the priest and the priest must scoop out from it a handful as its memorial portion and offer it up in smoke on the altar on top of the other gifts of the Lord – it is a sin offering.

Leviticus 10:15

10:15 The thigh of the contribution offering and the breast of the wave offering they must bring in addition to the gifts of the fat parts to wave them as a wave offering before the Lord, and it will belong to you and your sons with you for a perpetual statute just as the Lord has commanded.”

Leviticus 21:21

21:21 No man from the descendants of Aaron the priest who has a physical flaw may step forward to present the Lord’s gifts; he has a physical flaw, so he must not step forward to present the food of his God.