'According to the Command of the Lord' in the Bible

These were numbered of the families of the Kohathites, all who did service in the Tent of Meeting (tabernacle), whom Moses and Aaron numbered according to the commandment of the Lord through Moses.

These are the men who were numbered of the families of the sons of Merari, whom Moses and Aaron numbered in accordance with the commandment of the Lord through Moses.

According to the commandment of the Lord through Moses, they were numbered, each assigned to his work of serving and carrying. Thus they were numbered by him, just as the Lord had commanded Moses.

Sometimes the cloud remained only a few days over the tabernacle, and in accordance with the command of the Lord they remained camped. Then at His command they set out.