If you have an Application Receipt Number from the USCIS, you can check the status of your case online. The 13-character Application Receipt Number can be found on application notices you have received from the USCIS. Do not enter dashes ("-") when you enter a receipt number.What does check status mean?
status check. [′stad·əs ‚chek] (computer science) The detection of software failures and verification of programs through the use of redundant computers.