Tax filing deadline was April 18, 2017. If you owe tax due, your penalties are already accruing. Get your tax paid ASAP.
If you cannot pay in full, you could apply for payment plan.
https://www.irs.gov/individuals/payment-plans-installment-agreements
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**