Some IRS systems will be unavailable from midnight on May 24 through 7 a.m. on May 28.     Home  |  Register       Tax Practice   May 21, 2019       Top Stories   E-services, e-filing down over Memorial Day by JEFF STIMPSON   Some IRS systems will be unavailable from midnight on May 24 through 7 a.m. on May 28. READ MORE »       IRS LB&I sharpens compliance detection by JEFF STIMPSON   A new use of data analytics aims to improve how the service identifies large companies, and risky returns. READ MORE »     SPONSOR CONTENT Be a fraud fighting superhero   This tax season take the necessary security steps to stop fraudsters in their tracks. WATCH THE VIDEO »