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.
If a substantial amount of income is omitted from the return, the period is extended to six years. Many advisers suggest that you can dispose of tax records after seven years. But some tax records need to be kept longer. Copies of prior tax returns and elections they contain should probably be preserved indefinitely.