The employee shall specify the effective date of resignation. 1. Resignation: The voluntary termination of permanent employment with the County.Reserve your spot on a free tour of Contra Costa Water District. This Memorandum of Understanding (MOU) is entered into pursuant to the terms of the Meyers Milias. Or did you just receive a letter? Also, are you aware if the collective bargaining agreement states the time frame for resignation? In his resignation letter to Hercules, Duran asked that his final working day be Jan. 6. Otherwise, his last day will be Jan. 31.