Moses
Numbers 36:13ESV·traditional attribution

These are the commandments and the rules that the LORD commanded through Moses to the people of Israel in the plains of Moab by the Jordan at Jericho.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The matter settled by express order from God between the daughters of Zelophehad and the rest of the tribe of Manasseh. The petition is assented to, and care taken to prevent the inconvenience feared: The tribe of the sons of Joseph hath said well, Num 36:5.

Commenting on Numbers 36:5-13

Jamieson-Fausset-Brown Reformed @jfbcommentary

These are the commandments and the judgments, which the Lord commanded by the hand of Moses unto the children of Israel in the plains of Moab--The Israelitish encampment was on an extensive plateau north of the Arnon, which, though wrested from the Moabites by Sihon and Og, still retained the name of its original possessors.

Geneva Bible Notes Reformed @genevanotes

These [are] the commandments and the judgments, which the LORD commanded by the hand of Moses unto the children of Israel in the plains of Moab by Jordan [near] Jericho. (f) Concerning the ceremonial and judicial laws.