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.
The Internal Revenue Service recommends that you keep a copy of your income tax return after you file. How long you should hold onto that copy depends on a couple of factors. For the typical taxpayer, though, the IRS suggests saving a copy for at least three years after you file it.