San Franciscoâofficially known as the City and County of San Franciscoâis a consolidated city-county, a status it has held since the 1856 secession of what is now San Mateo County. It is the only such consolidation in California.
Under New York's Tax Law, there is generally a three-year statute of limitations on tax audits, though in some cases (such as when fraud exists or when a substantial understatement has been made on an income tax return), the statute of limitations can last for as long as six years.
1 Bank Statements (Unless needed for tax purposes and then you need to keep for 3 years). 2  Quarterly Investment Statements (Hold on to until you get your annual statement). 3  Income Tax Returns (Please keep in mind that you can be audited by the IRS for no reason up to three years after you filed a tax return. Income Tax Returns (Please keep in mind that you can be audited by the IRS for no reason up to three years after you filed a tax return. 2  If you omit 25% of your gross income that goes up to 6 years and if you don't file a tax return at all, there is no statute of limitations.).