topic What happens when you underpay extensions? in Get your taxes done using TurboTax https://ttlc.intuit.com/community/taxes/discussion/what-happens-when-you-underpay-extensions/01/257786#M108435 Sat, 01 Jun 2019 21:30:55 GMT teganab 2019-06-01T21:30:55Z What happens when you underpay extensions? https://ttlc.intuit.com/community/taxes/discussion/what-happens-when-you-underpay-extensions/01/257786#M108435 Sat, 01 Jun 2019 21:30:55 GMT https://ttlc.intuit.com/community/taxes/discussion/what-happens-when-you-underpay-extensions/01/257786#M108435 teganab 2019-06-01T21:30:55Z If you don't pay it today, the IRS will charge you intere... https://ttlc.intuit.com/community/taxes/discussion/if-you-don-t-pay-it-today-the-irs-will-charge-you-intere/01/257787#M108436 <P>If you don't pay it today, the IRS will charge you <B>interest</B> on the amount that is still due.</P><P>You can go on the&nbsp;<A rel="nofollow" href="https://www.irs.gov/payments" target="_blank">IRS payments</A>&nbsp;website and make the payment for the balance of the payment due.</P> Sat, 01 Jun 2019 21:30:58 GMT https://ttlc.intuit.com/community/taxes/discussion/if-you-don-t-pay-it-today-the-irs-will-charge-you-intere/01/257787#M108436 HelenaC 2019-06-01T21:30:58Z