OA Contracts1985-1988 OA Supervisors Contract 1988-1990 OA Supervisors MOU 1991-1998 OA Supervisors MOU 1998-2004 OA Supervisors MOU 2004-2007 OA and Queens Supervisors MOU 2007-2010 OA Supervisors MOU 2010 – 2013 Arbitration Award 2013 – 2018 OA Supervisors MOU 2018 – 2020 OA Supervisor MOUDownload 2021-2024-OA-Supervisors-MOUDownload