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.
Records for tax deductions taken. Length of time to keep, and why: Seven years. 1  The IRS has three years from your filing date to audit your return if it suspects good-faith errors.ength of time to keep, and why: From six years to permanently. 1  Keep all records documenting the purchase price and the cost of all permanent improvements -- such as remodeling, additions and installations.