Collective agreement required proclamation; holiday specified for federal employees
![National Day of Mourning not holiday without proclamation: Ontario arbitrator](https://cdn-res.keymedia.com/cdn-cgi/image/f=auto/https://cdn-res.keymedia.com/cms/images/ca/126/0379_638149408714418799.jpg)
An Ontario employer is not required to add a National Day of Mourning to its list of holidays under the collective agreement without an official proclamation, an arbitrator has ruled.