After successful immigration, if I can't go to Canada immediately, how long will the immigration paper expire?

If the family can't move immediately, the main applicant will go first and arrange some basic matters before moving. The immigration documents of you and your family (that is, residence documents) are valid for one year after the date of medical examination. If your family leaves later, you should know that you must declare entry before the latest date stipulated in the immigration documents. After registration, the immigration documents will take effect. At this time, if you still have business to come back in China, you can go in and out without any formalities. As long as you live for two years in five years, you can retain your immigration status. Across the ocean, 24-hour online immigration question and answer