Definition and synonyms of poor from the online English dictionary from Macmillan Publishers Limited.
See IRS Publication 552, Recordkeeping for Individuals, for more information. Six Years. If you may have under-reported income by 25 percent or more, then you'll need to keep tax returns and all related information for six years.
A good rule of thumb is to add a year to the statute of limitations period. Using. this approach, taxpayers should keep most of their income tax records a minimum of. four years, but it may be more prudent to retain them for seven years.