King James Version
Thus speak unto the Levites, and say unto them, When ye take of the children of Israel the tithes which I have given you from them for your inheritance, then ye shall offer up an heave offering of it for the LORD, even a tenth part of the tithe.English Standard Version
"Moreover, you shall speak and say to the Levites, 'When you take from the people of Israel the tithe that I have given you from them for your inheritance, then you shall present a contribution from it to the LORD, a tithe of the tithe.Catholic Public Domain Version
"Instruct the Levites, and also declare to them: When you will receive, from the sons of Israel, the tithes, which I have given to you, offer their first-fruits to the Lord, that is, the tenth part of a tenth