Deuteronomy 14:23

‘Of the first of your dough you shall raise up a cake as a contribution offering; as the contribution offering of the threshing floor, so you shall raise it up.

“Now to the sons of Levi, behold, I have given all the tithe in Israel for an inheritance, in return for their service which they perform, the service of the tent of meeting.

“Remember the day you stood before Yahweh your God at Horeb, when Yahweh said to me, ‘Assemble the people to Me, that I may cause them to hear My words so they may learn to fear Me all the days they live on the earth, and that they may teach their children.’

“But you shall eat them before Yahweh your God in the place which Yahweh your God will choose, you and your son and daughter, and your male and female slaves, and the Levite who is within your gates; and you shall be glad before Yahweh your God in all that you send forth your hand to do.

“You and your household shall eat it every year before Yahweh your God in the place which Yahweh chooses.

“Bring the whole tithe into the storehouse, so that there may be food in My house, and test Me now in this,” says Yahweh of hosts, “if I will not open for you the windows of heaven and empty out for you a blessing until it is beyond enough.