Background
Under article 4.3 the parties agreed as follows: Where a Canadian Permanent Resident or Citizen who has left Canada returns to Canada to re-establish their residence in Ontario and work in Ontario as a Skilled Worker, and he/she is accompanied by a foreign spouse or common law partner and/or dependents, Canada agrees to issue open work permits to that spouse or common law partner and those dependents upon application, provided the applicants are otherwise legally able to work in Ontario. These open work permits should have a validity period of two years.
More info and qualification details here...
http://www.cic.gc.ca/english/resources/manuals/bulletins/2010/ob229.asp
Under article 4.3 the parties agreed as follows: Where a Canadian Permanent Resident or Citizen who has left Canada returns to Canada to re-establish their residence in Ontario and work in Ontario as a Skilled Worker, and he/she is accompanied by a foreign spouse or common law partner and/or dependents, Canada agrees to issue open work permits to that spouse or common law partner and those dependents upon application, provided the applicants are otherwise legally able to work in Ontario. These open work permits should have a validity period of two years.
More info and qualification details here...
http://www.cic.gc.ca/english/resources/manuals/bulletins/2010/ob229.asp