Numbers 18:8-19

⁸ God spoke to Aaron, "I am personally putting you in charge of my contributions, all the holy gifts I get from the People of Israel. I am turning them over to you and your children for your personal use. This is the standing rule. ⁹ You and your sons get what's left from the offerings, whatever hasn't been totally burned up on the Altar - the leftovers from Grain-Offerings, Absolution-Offerings, and Compensation-Offerings. ¹⁰ Eat it reverently; it is most holy; every male may eat it. Treat it as holy. ¹¹ "You also get the Wave-Offerings from the People of Israel. I present them to you and your sons and daughters as a gift. This is the standing rule. Anyone in your household who is ritually clean may eat it. ¹² I also give you all the best olive oil, the best new wine, and the grain that is offered to God as the firstfruits of their harvest - ¹³ all the firstfruits they offer to God are yours. Anyone in your household who is ritually clean may eat it. ¹⁴ "You get every Totally-Devoted gift. ¹⁵ Every firstborn that is offered to God, whether animal or person, is yours. Except you don't get the firstborn itself, but its redemption price; firstborn humans and ritually clean animals are bought back and you get the redemption price. ¹⁶ When the firstborn is a month old it must be redeemed at the redemption price of five shekels of silver, using the standard of the Sanctuary shekel, which weighs twenty gerahs. ¹⁷ "On the other hand, you don't redeem a firstborn ox, sheep, or goat - they are holy. Instead splash their blood on the Altar and burn their fat as a Fire-Gift, a pleasing fragrance to God. ¹⁸ But you get the meat, just as you get the breast from the Wave-Offering and the right thigh. ¹⁹ All the holy offerings that the People of Israel set aside for God, I'm turning over to you and your children. That's the standard rule and includes both you and your children - a Covenant-of-Salt, eternal and unchangeable before God."