Labour Market Opinion (LMO)
OR
Evidence of Exemption
Attach copy
Current LMO(s) from Service Canada/ESDC, include a copy of the
Confirmation Letter and Annex
--If an LMO does not exist, provide the documents to show the exemption
used for the work permit (e.g. North American Free Trade Agreement, Post-
Graduation Work Permit, etc.)
--If the Candidate is not working as a temporary foreign worker, the
Alberta Employer must provide details on the efforts made to hire a
Canadian
-If the Candidate is not working as a temporary foreign worker, the
Alberta Employer must provide details on the efforts made to hire a
Canadian.
So in a nuttshell your employer has to write that what efforts has been done to fill this position . or you can say in other words that why hiring a canadian worker was unsuccessfull rather than hiring a foreign worker like you ...