Download Form REV-1630 (PDF)

Pennsylvania Estimated Tax Underpayment Form updated 02/2013

Printable Pennsylvania Income Tax Form REV-1630

If you failed to pay or underpaid your estimated taxes for the past tax year, you must file form REV-1630 to calculate any interest or penalties due with your income tax return. For more information, see the Pennsylvania Income Tax page.

Source: http://www.portal.state.pa.us/portal/server.pt/document/1309607/2012_rev-1630_pdf