Great opportunities are provided to skilled workers to become permanent residents based on their ability to establish economically in Canada. It is a status granting someone who is not a Canadian citizen the right to live and work in Canada without any time limit on their stay. One of the main benefits of PR is the conferred right of abode in Canada. It holds many of the same rights and responsibilities as a Canadian citizen, including the right to live, work and study in any province of Canada. Currently, a person must have been living in Canada as a permanent resident for three years out of the five years preceding their application. They also have a right to sponsor their relatives for permanent residence, subject to fulfilling residence criteria and assurance of support requirements. The department issuing a PR card which expires every five years, and then may be renewed by making application and proving that the applicant has been physically present in Canada for the requisite time periods, or has other wise satisfied the residency requirements. While the PR card was introduced to facilitate ease of travel for permanent residents, it can also be used. As a convenient method of proving status to authorities, employers and schools.