What is an I-797 ? Posted on July 26, 2014July 26, 2014 by Mrs. Presson An I-797 is a document commonly known as “Notice of Action” or NOA sent to the petitioner from USCIS. There are different types of I-797: I-797, Notice of Action – commonly known as NOA2. This is issued when an application or petition is approved. I-797A, Notice of Action – This is issued to an…