Moses
Numbers 18:30ESV·traditional attribution

Therefore you shall say to them, ‘When you have offered from it the best of it, then the rest shall be counted to the Levites as produce of the threshing floor, and as produce of the winepress.

Matthew Henry Presbyterian @wholebiblehenry

Here is a further account of the provision that was made both for the Levites and for the priests, out of the country. I. They must have no inheritance in the land; only cities to dwell in were afterwards allowed them, but no ground to occupy: Thou shalt not have any part among them, Num 18:20.

Commenting on Numbers 18:20-32

John Gill Reformed Baptist @doctorgill

And ye shall eat it in every place,.... In any of their tents or dwelling houses, not being obliged to eat it in the tabernacle, where the priests, were obliged to eat many of their holy things, and second tithes were only to be eaten at Jerusalem, Deu 14:22; but the Levites might eat theirs any where, in any place, clean or unclean, according to...

Jamieson-Fausset-Brown Reformed @jfbcommentary

THE LEVITES' PORTION. (Num 18:21-32) I have given the children of Levi all the tenth in Israel for an inheritance, for their service which they serve--Neither the priests nor the Levites were to possess any allotments of land but to depend entirely upon Him who liberally provided for them out of His own portion; and this law was subservient to many important purposes--such as that...

Commenting on Numbers 18:21-32