Num 15:20 Of the first of your dough you shall present a loaf as a contribution; like a contribution from the threshing floor, so shall you present it.
Num 15:21 Some of the first of your dough you shall give to the Lord as a contribution throughout your generations.

Neh 10:37 and to bring the first of our dough, and our contributions, the fruit of every tree, the wine and the oil, to the priests, to the chambers of the house of our God; and to bring to the Levites the tithes from our ground, for it is the Levites who collect the tithes in all our towns where we labor.
Eze 44:30 And the first of all the firstfruits of all kinds, and every offering of all kinds from all your offerings, shall belong to the priests. You shall also give to the priests the first of your dough, that a blessing may rest on your house.
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