Numbers 18:28 KJV
Thus ye also shall offer an heave offering unto the Lord of all your tithes, which ye receive of the children of Israel; and ye shall give thereof the Lord’s heave offering to Aaron the priest.
Numbers 18:28, King James Version
In context
27 And this your heave offering shall be reckoned unto you, as though it were the corn of the threshingfloor, and as the fulness of the winepress.
28 Thus ye also shall offer an heave offering unto the Lord of all your tithes, which ye receive of the children of Israel; and ye shall give thereof the Lord’s heave offering to Aaron the priest.
29 Out of all your gifts ye shall offer every heave offering of the Lord, of all the best thereof, even the hallowed part thereof out of it.