ProtectMyID: Not necessarily. Many tax records need only be kept for 3-4 yrs. or until the period of limitations runs out. http://t.co/3Rbic5Pj February 21, 2012 Author: Category: Greg's Blog ProtectMyID: Not necessarily. Many tax records need only be kept for 3-4 yrs. or until the period of limitations runs out. http://t.co/3Rbic5Pj View full post on Twitter / ProtectMyID View full post on National Cyber Security Related