If you owe the 10% Early Withdrawal Penalty it will be added on your tax return. If you want you can send in an extra estimated payment now to cover it. Estimated payments are like withholding. You will get credit for it when you file so don't forget to enter it if you send some in.
Here are the blank Estimates and instructions…..
http://www.irs.gov/pub/irs-pdf/f1040es.pdf
Or You can pay directly on the IRS website https://www.irs.gov/payments
Be sure to pick the right kind of payment and year.....2020 Estimate
