The Kohen the son of Aharon shall be with the Levites, when the Levites take tithes: and the Levites shall bring up the tithe of the tithes to the house of our God, to the chambers, into the treasure house.
and it shall be for Aharon and his sons as their portion forever from the children of Yisra'el; for it is a wave offering: and it shall be a wave offering from the children of Yisra'el of the sacrifices of their shalom offerings, even their wave offering to the LORD.
The first of all the first fruits of every thing, and every offering of everything, of all your offerings, shall be for the Kohen: you shall also give to the Kohanim the first of your dough, to cause a blessing to rest on your house.
You shall eat neither bread, nor roasted grain, nor fresh grain, until this same day, until you have brought the offering of your God. This is a statute forever throughout your generations in all your dwellings.
Moreover you shall speak to the Levites, and tell them, When you take of the children of Yisra'el the tithe which I have given you from them for your inheritance, then you shall offer up a wave offering of it for the LORD, a tithe of the tithe.