Contact and corrections
Found a figure that doesn't match your state's current withholding guide, a rule that changed, or a calculator result that looks wrong? Tell us here. Each report is checked against the primary source; confirmed errors are fixed and noted on the affected page, usually within a few business days.
Helpful reports include the state, the pay date and inputs you used, what you expected and — if you have it — the agency document or page that shows the correct figure. Please don't include Social Security numbers, pay stubs or other personal financial records.
Which document settles a disagreement
For a state rule, the authority is that state's current employer withholding guide or table — for example California's DE 44, New York's NYS-50-T-NYS, North Carolina's NC-30 or Massachusetts' Circular M — or the statute or regulation it cites. For federal lines it is IRS Publication 15 and Publication 15-T for the year of the pay date. If your pay stub differs from the calculator, the most common reasons are a different permitted method (your employer aggregated the bonus where we show a state's optional flat rate), pre-tax deductions such as health insurance, local taxes you have not entered, or year-to-date wages that have reached the Social Security wage base. Checking those first usually explains the gap; if it doesn't, send us the figures.
What happens next
Reports are stored with the page, category, message and optional reply address — no IP address or browser details (see privacy). If you leave a reply address we'll tell you what we found. We don't answer general tax questions or review individual pay stubs; for those, your employer's payroll team, a tax professional or the state agency linked on each state page is the right contact.