USCIS has announced system maintenance for the Contact Relationship Interface System (CRIS) on Wednesday, February 5, 2025, starting at 11:50 p.m. and ending on Thursday, February 6, 2025, at 2:00 a.m. Eastern Time. During this period, users may experience technical difficulties accessing several online tools, including Check My Case Status, e-Request, Change of Address online, Check Case Processing Times, Civil Surgeon Locator, Office Locator, File Online, myUSCIS online account, and the Service Request Management Tool (SRMT).