The argument is, that as such meals were appointed in honor of Yahweh Himself, they ought to be conducted with due reverence and discretion.
Leviticus 10:12
Beside the altar - What is called “the holy place” in Leviticus 10:13, Leviticus 10:17: it should be rather, a holy place, any part of the holy precinct, as distinguished from a merely “clean place” Leviticus 10:14, either within or without the court of the tabernacle.
Leviticus 10:14
Wave breast and heave shoulder - See Leviticus 7:30 note.