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.
What to keep after filing your taxes and how long. Knowing what information to save and for how long can be confusing. As a general rule of thumb, keep tax returns and related documents for at least three years from the April 15 filing deadline.nowing what information to save and for how long can be confusing. As a general rule of thumb, keep tax returns and related documents for at least three years from the April 15 filing deadline.