To the end that the children of Israel may bring their sacrifices, which they offer in the open field, even that they may bring them unto the LORD, unto the door of the tabernacle of meeting, unto the priest, and offer them for peace offerings unto the LORD.
Read Chapter 17
George Leo Haydock
They. The Egyptians and other nations, kill in the field, as the Hebrews had also done, till it was now prohibited. Some were, perhaps, still much inclined to adore, (Calmet) and to offer sacrifices privately to devils; (ver. 7,) and therefore God forbids any sacrifice, but such as was performed by his priests at the tabernacle. (Haydock)