Ezra 4:12-13

12Let it be known to the king that the Jews who came up from you have come to us at Jerusalem. They are rebuilding this rebellious and evil city and are finishing its walls and repairing the foundations.

13Now let it be known to the king, that if that city is rebuilt and the walls are finished, then they will not pay tax, custom, or toll, and the revenue of the kings will be diminished.