וַיָּ֨סַר הַמֶּ֜לֶךְ אֶת־טַבַּעְתּ֗וֹ אֲשֶׁ֤ר הֶֽעֱבִיר֙ מֵֽהָמָ֔ן וַֽיִּתְּנָ֖הּ לְמָרְדֳּכָ֑י וַתָּ֧שֶׂם אֶסְתֵּ֛ר אֶֽת־מָרְדֳּכַ֖י עַל־בֵּ֥ית הָמָֽן׃ (פ)
And the king took off his ring, which he had taken from Haman, and gave it unto Mordecai. And Esther set Mordecai over the house of Haman.
Read halakhic rulings (Jewish law) on Esther 8:2: and classical halakhic sources.