OLRB DEEMED ABANDONMENT DECISION OLRB DEEMED ABANDONMENT DECISION April 3, 2012 Katrina D OLRB Deemed Abandonment Decision OLRB Deemed Abandonment Decision OLRB DEEMED ABANDONMENT DECISION Board decision regarding grievances before the Ontario Labour Relations Board (OLRB) concerning the Deemed Abandonment Regulation(s). Download Date April 3, 2012. April 3, 2012 Categories:Bulletins