Everyone has questions about the stimulus payments. This is helpful information that you may find useful, taken directly from the I.R.S. website. The IRS encourages everyone to file by the normal April 15th tax deadline: the sooner, you file the sooner your receive your stimulus payment. If you have obtained a valid six month extension to file or if you are filing to establish your eligibility for the stimulus payment, filing by Oct. 15 means the IRS can process your return and issue a stimulus payment before the end of the year.