[1987] 1 S.C.R. 313
Facta
| Date | Document |
| 1985 / 04 / 22 | Appellant – Alberta Union of Provincial Employees |
| 1985 / 04 / 22 | Appellant – Canadian Union of Public Employees |
| 1985 / 04 / 29 | Appellant – Alberta International Fire Fighters Association |
| 1985 / 05 / 13 | Respondent – Her Majesty the Queen |
| 1985 / 05 / 28 | Intervener – Attorney General of Prince Edward Island |
| 1985 / 05 / 31 | Intervener – Attorney General of Canada |
| 1985 / 06 / 03 | Intervener – Attorney General of Ontario |
| 1985 / 06 / 05 | Intervener – Attorney General of British Columbia |
| 1985 / 06 / 05 | Intervener – Attorney General of Newfoundland |
| 1985 / 06 / 05 | Intervener – Attorney General of Saskatchewan |
| 1985 / 06 / 07 | Intervener – Attorney General of Nova Scotia |
| 1985 / 06 / 14 | Intervener – Attorney General of Manitoba |
| 1985 / 06 / 26 | Intervener – Attorney General of Quebec |