[1990] 2 S.C.R. 367
Facta
| Date | Document |
| 1989 / 12 / 04 | Appellant – Professional Institute of the Public Service of Canada |
| 1990 / 01 / 31 | Respondent – Commissioner of the Northwest Territories |
| 1990 / 02 / 07 | Intervener – Attorney General of Ontario |
| 1990 / 02 / 09 | Respondent – Northwest Territories Public Service Association |
| 1990 / 02 / 14 | Intervener – Attorney General of Canada |