USCIS Form I-131 is used to make applications for three types of documents: (1) advance parole, (2) a travel document, and (3) a refugee travel document.  When an alien applies to adjust status to permanent resident, generally if she departs the United States while the application is pending, USCIS will consider her to have "abandoned" the application.  To avoid the application being abandoned, the applicant must apply for and receive advance parole, or advance permission to reenter the United States after travel abroad.  A travel document allows a permanent