Ezra 5:5-6

But the eye of their God was on the elders of the Jews, and they did not stop them until a report could come to Darius, and then a written reply be returned concerning it. This is the copy of the letter which Tattenai, the governor of the province beyond the River, and Shethar-bozenai and his colleagues the officials, who were beyond the River, sent to Darius the king.