Form I-797: Types and Functions
                
        USCIS uses numerous types of Form I-797 to communicate with 
customers or convey an immigration benefit.  Form I-797 is NOT a form 
you can fill out. The chart below gives a brief description of each:
                
        
        
      
| Form Number | Description | 
|---|---|
| I-797, Notice of Action | Issued when an application or petition is approved. | 
| I-797A, Notice of Action | Issued to an applicant as a replacement Form I-94. | 
| I-797B, Notice of Action | Issued for approval of an alien worker petition. | 
| I-797C, Notice of Action | Issued to communicate receipt of payments, rejection of applications, transfer of files, fingerprint biometric, interview and re-scheduled appointments, and re-open cases. | 
| I-797D | Accompanies benefit cards. | 
| I-797E, Notice of Action | Issued to request evidence. | 
| I-797F, Transportation Letter | Issued overseas to allow applicants to travel. | 
