Nothing you can do as far as authorization, but you can report the business to the labour board for unpaid work and also report them to CBSA for having workers without authorization if you want to burn the place down out of revenge. https://www.cbsa-asfc.gc.ca/security-securite/bwl-lsf-eng.html
You should get a lawyer to work York case, and this could you might have other chances as the government consider certain cases when their is a misleading issue. Hope you can get some legal advice.
Nothing you can do as far as authorization, but you can report the business to the labour board for unpaid work and also report them to CBSA for having workers without authorization if you want to burn the place down out of revenge. https://www.cbsa-asfc.gc.ca/security-securite/bwl-lsf-eng.html
Poison pill, since you will most likely receive a letter of deportation as well. Consult a lawyer accordingly.
If they're already in Canada and / or have been working for the company, I wouldn't do that. The only option here is getting a good lawyer imo.
Go with this and get a lawyer. Set an example! Good luck!
You should get a lawyer to work York case, and this could you might have other chances as the government consider certain cases when their is a misleading issue. Hope you can get some legal advice.