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.
The IRS can randomly audit you three years after you file â or six years afterward if it thinks you skipped out on reporting your income by at least 25%. Year-end account statements: These will show the cost basis for your investments, so you want to hold on to them for as long as you have the investment.