Lynwood, California - Basic Facts. The City of Lynwood had a population of 72,011 as of July 1, 2016. Lynwood ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California.
Scanning the information gives you an electronic backup of the paper indefinitely. Keep returns and all supporting documentation at least seven years. The IRS can audit your return for up to three years from your filing date, a limit applying only to good-faith errors.
Tax Forms. The IRS has three years in which to audit your return, but the agency may challenge a return up to six years after you file if the IRS suspects you under-reported income. Keep your tax returns and all supporting documentation for at least seven years. Bills and Credit Card Statements.