The U.S. Visa Bulletin plays a crucial role in determining when you can move forward with your green card application. One confusing but important concept is visa bulletin retrogression. 1. What Is the Visa Bulletin? 85The U.S. Visa Bulletin is a monthly publication by the U.S. Department of State that tracks the availability of immigrant visas (green cards). It shows which applicants can move forward in the process based on their priority date, country of chargeability, and