(Washington, DC) Cost-of-living adjustments (COLAs) have been announced for retirees and survivors receiving annuities under the District of Columbia Teachers’ Retirement Plan and the District of Columbia Police Officers’ and Firefighters’ Retirement Plan, effective March 1, 2007. Increases related to these announcements will be paid in accordance with the attached notices and will be included in benefit payments beginning April 1, 2007. Download the COLAs below.