In the recent decision of Viterra v Grain Services Union, 2013 SKCA 93 the Saskatchewan Court of Appeal reaffirmed the power of arbitrators to hold parties to past practice in applying a collective agreement through the doctrine of estoppel.

This case considered the employer’s long-standing practice of paying of paying certain groups of employees

In Telus Communications Inc. v Telecommunications Workers Union, an Alberta Court of Queen’s Bench chambers judge quashed the decision of an arbitrator, upholding termination of a grievor terminated for dishonesty surrounding an absence from work. The decision was later upheld by the Alberta Court of Appeal.

The grievor had been denied a request for