Provide the receipt number for the Form I131 related to the Reentry Permit, Refugee Travel Document, Advance Parole. In the text field next to Item 5.H., write "PFR" in the blank space for your class of admission. How To Fill Out Form I131. 1. Type or print legibly in black ink. 2. Type or print legibly in black ink. (Form I-766) with travel endorsement;. This overview for Form I-131, Application for Travel Document, explains it's purpose, costs, processing times, and more. NOTE: Do not file Form I131 if you are seeking release from immigration custody and you want to remain in the United States as a parolee. Form I131 is a travel application.