The king removed his signet ring from his finger and gave it to Haman son of Hammedatha the Agagite, the enemy of the Jewish people.
References for Esther 3:10
Then the king told Haman, "The money and people are given to you to do with as you see fit."
The royal scribes were summoned on the thirteenth day of the first month, and the order was written exactly as Haman commanded. [It was intended for] the royal satraps, the governors of each of the provinces, and the officials of each ethnic group and written for each province in its own script and to each ethnic group in its own language. It was written in the name of King Ahasuerus and sealed with the royal signet ring.
References for Esther 3:12
Letters were sent by couriers to each of the royal provinces [telling the officials] to destroy, kill, and annihilate all the Jewish people-young and old, women and children-and plunder their possessions on a single day, the thirteenth day of Adar, the twelfth month.
References for Esther 3:13
A copy of the text, issued as law throughout every province, was distributed to all the peoples so that they might get ready for that day.
References for Esther 3:14
The couriers left, spurred on by royal command, and the law was issued in the fortress of Susa. The king and Haman sat down to drink, while the city of Susa was in confusion.