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.
Wondering how long to keep your returns? The IRS has three years to audit you if it discovers good-faith errors; six if you significantly underreported your income. But many experts say if you have the space, the safest strategy is to keep them forever.