Esther 8:7-8

7So King Xerxes said to Esther the Queen and Mordecai the Jew, “Behold, I have given Haman’s estate to Esther, and he was hanged on the gallows because he attacked the Jews. 8Now you may write in the king’s name as you please regarding the Jews, and seal it with the royal signet ring. For a decree that is written in the name of the king and sealed with the royal signet ring cannot be revoked.”