Cross reference
Numbers 18:24
24 For the tithe of the children of Israel, which they offer as a heave-offering to Yahweh, I have given to the Levites for an inheritance: therefore I have said to them, Among the children of Israel they shall have no inheritance.
Numbers 18:26
26 Moreover you shall speak to the Levites, and tell them, When you take of the children of Israel the tithe which I have given you from them for your inheritance, then you shall offer up a heave-offering of it for Yahweh, a tithe of the tithe.
Malachi 3:8-10
8 Will a man rob God? Yet you rob me! But you say, 'How have we robbed you?' In tithes and offerings.
9 You are cursed with the curse; for you rob me, even this whole nation.
10 Bring the whole tithe into the store-house, that there may be food in my house, and test me now in this," says Yahweh of hosts, "if I will not open you the windows of heaven, and pour you out a blessing, that there shall not be room enough for.