Justice Umar Ata Bandial will retire as chief justice of Pakistan on which date?

Justice Umar Ata Bandial will retire as chief justice of Pakistan on which date?

جسٹس عمر عطا بندیال کس تاریخ کو چیف جسٹس آف پاکستان کے عہدے سے ریٹائر ہو جائیں گے؟
Explanation

Justice Umar Ata Bandial was appointed Feb 2, 2022.

 Justice Bandial will serve in the top judicial office on Sept 16, 2023.