New Delhi, April 14 -- With only one day left for April 15 tax deadline, if you need more time to file your papers, you have an option. For this, you can submit a simple, short form to get an automatic extension until October 15. And all you need are basic details like your name, address, Social Security number, and an estimate of taxes owed or refunded.

However, the IRS stresses taxpayers "an extension to file is not an extension to pay taxes." In case you owe taxes, you need to pay them by April 15 to avoid penalty.

You can use IRS Free File at IRS.gov/freefile to request an automatic six-month tax-filing extension, regardless of income.

Otherwise, you cansubmit Form 4868 to request more time. If mailing it, ensure it's sent before A...