You can request to return to Canada on youroriginaltemporary resident visa, even if it is expired, if:
you willonlyvisit the U.S. or St. Pierre and Miquelon; and
you will return to Canadabeforethe end of your approved stay in Canada.
An officer will confirm whether you meet all the requirements before allowing you to come back to Canada.If you visit any country other than those listed above, you will need a new temporary resident visa.
If you have applied to extend your study permit and plan on traveling outside Canada while your application is in process, you can leave Canada and come back. However, one of three things will happen when you return to Canada:
You may be admitted to Canada as a temporary resident visitor, ifCIChas not yet decided to extend your study permit.If so, youcannotstudy until you receive your new permit.The officer at the port of entry may ask you to prove you have enough money to support yourself in Canada.
You may be admitted to Canada as a student, if the officer at the port of entry can confirm that CIC extended your study permit while you were away.
You may be asked to apply for a new study permit at the port of entry.
Note: It is possible that you will not be able to enter Canada. The final decision is made at the border by the border services officer.