On Mount Sinai the Lord gave Moses commands about these offerings at the same time that he commanded the Israelites to bring their offerings to him in the Sinai Desert.
This was the total of all those in the Kohathite families who served at the tent of meeting. Moses and Aaron did as the Lord had commanded Moses and registered the Kohathites.
Here are the laws and rules you must faithfully obey in the land that the Lord God of your ancestors is giving you as your own. You must obey them as long as you live in the land.
These are the terms of the promise that the Lord commanded Moses to give to the Israelites in Moab. This was in addition to the promise the Lord gave them at Mount Horeb.