Nehemiah 10:34

10:34 “We – the priests, the Levites, and the people – have cast lots concerning the wood offerings, to bring them to the temple of our God according to our families at the designated times year by year to burn on the altar of the LORD our God, as is written in the law.

Nehemiah 12:44

12:44 On that day men were appointed over the storerooms for the contributions, first fruits, and tithes, to gather into them from the fields of the cities the portions prescribed by the law for the priests and the Levites, for the people of Judah took delight in the priests and Levites who were ministering.