Political analyst offers perspective on next steps for Board of Supervisors after Vargas resignation. Now the county board of supervisors must decide if it will hold a special election or go through an appointment process to fill the vacancy.If the rules in RONR apply, resignations offered verbally in a meeting are valid, and can be accepted immediately. Nora Vargas said Friday that she is resigning from the San Diego County Board of Supervisors in January for personal safety reasons. The leader of San Diego's civilian police oversight board announced his resignation last week just six months after taking the job. 4100 Normal Street, San Diego, CA 92103. Nora Vargas said Friday that she is resigning from the San Diego County Board of Supervisors in January for personal safety reasons. The head of the board that monitors the San Diego Police Department is abruptly leaving the position. Tim Smith stepped down after a decade on the board. The district serves southeastern San Diego County.