Numbers 18:28
Thus you also shall offer a wave offering to the LORD of all your tithes, which you receive of the children of Israel; and of it you shall give the LORD’s wave offering to Aaron the priest.
World English Bible (Public Domain)
In context
Before · Numbers 18:26–27
26“Moreover you shall speak to the Levites, and tell them, ‘When you take of the children of Israel the tithe which I have given you from them for your inheritance, then you shall offer up a wave offering of it for the LORD, a tithe of the tithe. 27Your wave offering shall be credited to you, as though it were the grain of the threshing floor, and as the fullness of the wine press.
28Thus you also shall offer a wave offering to the LORD of all your tithes, which you receive of the children of Israel; and of it you shall give the LORD’s wave offering to Aaron the priest.
After · Numbers 18:29–30
29Out of all your gifts, you shall offer every wave offering to the LORD, of all its best parts, even the holy part of it.’ 30“Therefore you shall tell them, ‘When you heave its best from it, then it shall be credited to the Levites as the increase of the threshing floor, and as the increase of the wine press.