Il y a 2 jours ยท Current case creation time frame: As of 10-Oct-23, we are working on cases that were received from USCIS on 22-Sep-23. Once USCIS sends your I-797 approval notice, they will send your approved petition to the National Visa Center (NVC) for processing. At NVC, we will create your visa case and enter the data from your petition into the system.