[1988] 2 S.C.R. 790
Facta
| Date | Document |
| 1987 / 09 / 25 | Respondent (preliminary factum) – Attorney General of Quebec |
| 1987 / 09 / 30 | Intervener – Attorney General of New Brunswick |
| 1987 / 10 / 09 | Appellant – Allan Singer Ltd. |
| 1987 / 10 / 16 | Intervener – Attorney General of Canada |
| 1987 / 11 / 10 | Respondent – Attorney General of Quebec |
| 1987 / 11 / 13 | Intervener – Attorney General of Ontario |