Deuteronomy 14:22–23
Tithes
22 a“You shall tithe all the yield of your seed that comes from the field year by year. 23 And before the Lord your God, in the place that he will choose, to make his name dwell there, byou shall eat the tithe of your grain, of your wine, and of your oil, cand the firstborn of your herd and flock, dthat you may learn to fear the Lord your God always.
Deuteronomy 15:19–20
19 d“All the firstborn males that are born of your herd and flock you shall dedicate to the Lord your God. You shall do no work with the firstborn of your herd, nor shear the firstborn of your flock. 20 eYou shall eat it, you and your household, before the Lord your God year by year at the place that the Lord will choose.