The thigh of the contribution offering and the breast of the wave offering they must bring in addition to the gifts of the fat parts to wave them as a wave offering before the Lord, and it will belong to you and your sons with you for a perpetual statute just as the Lord has commanded.”

This is so that the Israelites will bring their sacrifices that they are sacrificing in the open field to the Lord at the entrance of the Meeting Tent to the priest and sacrifice them there as peace offering sacrifices to the Lord.