United Brotherhood of Carpenters & Joiners of America, Local Union No. 2010 v PERI Formwork Systems Inc, 2011 CanLII 44710 (AB LRB) Share on LinkedIn July 21, 2011 | Alberta Labour Relations Board Overview Application by Union to designate 4 employees as being a part of the bargaining unit CanLii 2011 CanLII 44710 (AB LRB)