Advanced Parole
Advanced parole in a travel authorization allows a person to travel back to the U.S without the need to apply for a visa. However, advanced parole does not guarantee that one will be allowed to reenter the U.S as the final decision lies with a U.S Customs and Border Officer.
You may apply for advance parole if you currently reside in the U.S. and have a personal or emergency reason to travel temporarily abroad and or you have a pending application for adjustment of status, been granted benefits under the Family Unity Program, have: An application for adjustment of status pending, been granted benefits under the Family Unity Program, or been granted temporary protected status.