TurboTax usually includes 4 quarterly vouchers with your printout if you didn't withhold or pay enough tax each quarter and/or year. The program does this to avoid a possible underpayment penalty on next year's taxes. However, you're not required to make estimated tax payments; it's a suggestion based on the info in your return. Please feel free to review the following link(s) and the link(s) embedded on the webpage(s) for more information:
