Should the work permit renewal and travel permit renewal be mailed separately? Yes, if the applicant is renewing their work and travel documents they should send in a separate renewal application for each document. Learn more about the work permit here, and the travel permit here . Related articles How do I renew my travel permit? I’m living within the United States and my green card got approved. What now? How do I renew my work permit? Will I receive a drug test during the medical exam?