When the Accusation states a proposed Class II disciplinary action, the employee shall have seventy-two (72) hours after delivery of the Accusation to file a written response thereto in the office of the Mayor. After the 72 hour period, the Mayor shall review the investigation, the Accusation, and the response, and shall make a determination to dismiss the Accusation, modify the disciplinary action, impose the disciplinary action or order preparation of a new Accusation. Notice of the determination shall be given to the employee in writing, either personally or by United States mail.