The Offering of the Sons of Israel as a Perpetual Debt

All the holy offerings which the sons of Israel present to the Lord I give to you and to your sons and daughters with you as a perpetual debt. Everyone who is clean in your house may eat of it. Everything that opens the womb of all flesh, whether man or beast  which they offer to the Lord shall be yours. The firstborn of man you shall redeem and the firstling of unclean beasts you shall redeem. And their redemption price, at a month old you shall redeem them. You shall fix at five shekels in silver according to the shekel of the sanctuary which is twenty garaz. They are holy. You shall sprinkle their blood upon the altar and burn