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.
Keep your tax records and all supporting documents for three years at a minimum; however, it's wise to keep them up to seven years. If the IRS believes you under-reported income by 25 percent or more, they have six years to challenge you.