TEMPORARY WORK PERMITS
Normally, you must apply for a work permit before you enter the country. In some cases, foreign nationals can apply at the border.
Most people need a work permit to work in Canada. There are 2 types of work permits: open work permits and employer-specific work permits.
An open work permit allows you to work for any employer in Canada, except for an employer:
You can only get an open work permit in specific situations. You may be eligible for an open work permit if you are the spouse of a skilled worker or an overseas student (who qualifies for a PGWP)
An employer-specific work permit allows you to work according to the conditions on your work permit, which include:
Both inside and outside of Canada, you may be able to apply for a work permit. Only in certain circumstances can you apply for a work permit inside Canada. You might be able to apply for a work permit inside Canada if your spouse possesses a valid study or work permit.
Furthermore, you may or may not require LMIA for an employer-specific work permit.