Numbers 18:10

18:10 You are to eat it as a most holy offering; every male may eat it. It will be holy to you.

Numbers 18:19

18:19 All the raised offerings of the holy things that the Israelites offer to the Lord, I have given to you, and to your sons and daughters with you, as a perpetual ordinance. It is a covenant of salt forever before the Lord for you and for your descendants with you.”