Learn how to spot a fake W-2, from visual and mathematical warning signs to verifying the form with employers and agencies and reporting suspected fraud.
Learn how a Mexico tax ID number lookup works on the SAT portal, from verifying an RFC and reading results to batch checks and the risks of skipping it.
Learn when you pay taxes on a rollover IRA, from the transfers that stay tax-free to the conversions, deadline slips, and rules that trigger a tax bill.
Learn how to read tax org chart symbols, from the shapes and lines that classify and connect entities to the labels and numbers that flag special status.
Learn how PPS sampling in auditing works, from setting the inputs and drawing a sample through evaluating results and knowing when the method doesn't fit.