ONLINE CASE STATUS For example below: Application Receipt Number: EAC1234567890     CLICK HERE   To view the status of a case, please enter the corresponding application receipt number.   The 13-character application receipt number can be found on application notices you have received from the USCIS.   It begins with three letters such as (EAC, WAC, LIN, or SRC).  Dashes ("-") should be omitted when entering a receipt number. all other characters, including asterisks ("*"), can be included if listed on your notice as part of the receipt number.     U.S. Citizenship and Immigration Service