After a fight in court, several Deaf Canadians, supported by the Canadian Association of the Deaf, got their right to equal access to government services confirmed by the Federal Court. Specifically it means that interpreters (in American Sign Language (ASL) and/or Langue des Signes Québécoise (LSQ)) should be available and paid for by the government (read more in this pdf)

LSQ is used in Quebec, does the rest of Canada use ASL? (source)

It’s not the same as an official recognition (like with Flemish Sign Language, New Zealand Sign Language, or others), but a very practical result all the same.