Home » Request for Evidence and How to RespondImmigration Topics Explained:Overview | Reasons for RFE | Understand Your RFE | How to Respond | How to Avoid an RFE | NOID | Get HelpRequest for Evidence (RFE) ExplainedWhat is an RFE?U.S. Citizenship and Immigration Services (USCIS) may issue a Request For Evidence when an application or petition lacks necessary documentation or evidence to make a decision on the immigration benefit requested. If USCIS mails you a Request for Evidence, it means that they need you to provide additional proof before they can proceed with your application or petition. Once USCIS issues an RFE, the processing of your request stops; this can create a significant delay. When you respond to USCIS with the requested items (before the deadline), they will continue processing your application or petition.Failing to respond to an RFE by the deadline will virtually guarantee that your application or petition gets denied. Therefore, responding to a Request for Evidenc...