I will be applying for a work permit while I wait for my PR to get processed. I will apply at the port of entry. I assume the agents are going to ask me what I will do if I dont get PR before my work permit expires. I will have to leave, but how do I support that? Do I bring some sort of document from previous employers saying they will hire me back when I return or....? What have people in the past used to prove that they will return should the PR not get processed in time, or not be accepted.