Quarterly you should make estimated payments to prevent underpayment penalties from the IRS. Review your tax return to determine your estimated payments. If your income has changed and you have W2 income, you might adjust your Federal withholding by submitting a W4 instead of making estimated payments. We can assist you in estimating your tax and determining how much to withhold. We can also prepare the W4 for you to submit to your employer. If you are self-employed, these da