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.
The ground rules: You should keep all your tax records for at least the three years the IRS has to audit you and assess any additional taxes. The IRS has six years if you understated your gross income by more than 25%. Some accounting organizations are recommending that all records be kept for a minimum of seven years.