Read Numbers 18:32 Using Other Translations
And ye shall bear no sin by reason of it, when ye have heaved from it the best of it: neither shall ye pollute the holy things of the children of Israel, lest ye die.
And you shall bear no sin by reason of it, when you have contributed the best of it. But you shall not profane the holy things of the people of Israel, lest you die.'"
You will not be considered guilty for accepting the LORD ’s tithes if you give the best portion to the priests. But be careful not to treat the holy gifts of the people of Israel as though they were common. If you do, you will die.”