What is an RFE? A Request for Evidence (RFE) is simply a written request by the government for more documentation to help make a decision on a green card application. We've prepared a comprehensive guide here. Related articles What are typical types of RFEs? If I live outside the United States, can I visit the U.S. while my green card application is pending? How do I upload photo evidence? Is applying for the work permit a mandatory requirement with a marriage green card application? What are the requirements for the passport-style photos?