RE: Notice of Resignation. Oakland Mayor Sheng Thao is once again defending herself against calls for her resignation.This time from the Oakland Police Officers' Association. The Oakland Police Officer's Association flatly accused Thao of making Oakland "a more dangerous place" and are urging her to resign. How to write a great letter of resignation that will let you leave gracefully. Resignation, Termination, UI and Appeals - Oakland Employment Lawyer. It is with great regret that I tender this official notice of my intent to resign as Chief of Police for the City of Oakland. Article IV. Appointed Agents. Fill out the resigning and new officer information. Please download PDF and save it, before filling out.