Nehemiah 8:1

8:1 all the people gathered together in the plaza which was in front of the Water Gate. They asked Ezra the scribe to bring the book of the law of Moses which the LORD had commanded Israel.

Nehemiah 13:1

Further Reforms by Nehemiah

13:1 On that day the book of Moses was read aloud in the hearing of the people. They found written in it that no Ammonite or Moabite may ever enter the assembly of God,