The following people/organizations/entities are permitted to register .ca domains:
- Corporation or Registered Charity (Canada or Canadian province or territory)
- Canadian citizen
- Permanent Resident of Canada
- Government or government entity in Canada
- Canadian Educational Institution
- Canadian Unincorporated Association
- Canadian Hospital
- Partnership Registered in Canada
- Trade-mark registered in Canada (by a non-Canadian owner)
- Canadian Trade Union
- Canadian Political Party
- Canadian Library, Archive or Museum
- Trust established in Canada
- Aboriginal Peoples (individuals or groups) indigenous to Canada
- Indian Band recognized by the Indian Act of Canada
- Legal Representative of a Canadian Citizen or Permanent Resident
- Official mark registered in Canada
- Her Majesty the Queen
You can find more information about the full .ca registration terms and conditions, as well as other pertinent information here: http://www.cira.ca/en/cat_Registrar.html