Deuteronomy 12:6, 17
To that place you are to bring your burnt offerings and sacrifices, your tithes and heave offerings, your vow offerings and freewill offerings, as well as the firstborn of your herds and flocks. . . .

Deuteronomy 26:12-15
When you have finished laying aside a tenth of all of your produce in the third year, the year of the tithe, you are to give it to the Levite, the foreigner, the fatherless, and the widow, that they may eat and be filled within your gates. . . .

Leviticus 27:30-33
Thus any the tithe from the land, whether from the seed of the land or the fruit of the trees, belongs to the LORD; it is holy to the LORD. . . .

Numbers 18:21
Behold, I have given to the Levites all the tithes in Israel as an inheritance in return for the work they do, the service of the Tent of Meeting.

Nehemiah 10:37
Moreover, we will bring to the priests at the storerooms of the house of our God the firstfruits of our dough, of our grain offerings, of the fruit of all our trees, and of our new wine and oil. A tenth of our produce belongs to the Levites, for they should receive tithes in all the towns where we labor.