Ezra 4:13

4:13 Let the king also be aware that if this city is built and its walls are completed, no more tax, custom, or toll will be paid, and the royal treasury will suffer loss.

Ezra 4:19-22

4:19 So I gave orders, and it was determined that this city from long ago has been engaging in insurrection against kings. It has continually engaged in rebellion and revolt. 4:20 Powerful kings have been over Jerusalem who ruled throughout the entire Trans-Euphrates and who were the beneficiaries of tribute, custom, and toll. 4:21 Now give orders that these men cease their work and that this city not be rebuilt until such time as I so instruct. 4:22 Exercise appropriate caution so that there is no negligence in this matter. Why should danger increase to the point that kings sustain damage?”