Deuteronomy 26:12-13 NIV

12 When you have finished setting aside a tenth1 of all your produce in the third year, the year of the tithe,2 you shall give it to the Levite, the alien, the fatherless and the widow, so that they may eat in your towns and be satisfied.

References for Deuteronomy 26:12

13 Then say to the LORD your God: "I have removed from my house the sacred portion and have given it to the Levite, the alien, the fatherless and the widow, according to all you commanded. I have not turned aside from your commands nor have I forgotten any of them.3

References for Deuteronomy 26:13