Tax Day Dilemma; IRS Online Payment System Down, No Explanation Given

WASHINGTON – IRS customers who tried to make online payments encountered a glitch on Tax Day. 
The initial message said the service would be available again on Dec. 31, 9999, but the message text the service would resume on September, 22, 2016.
The IRS has since updated the website to say it is temporarily unavailable.
Tax day falls on April 17 this year because April 15 was a Sunday and April 16 was Emancipation Day, a holiday in Washington, D.C.
IRS Acting Commissioner David Kautter testified during a House Oversight Hearing Tuesday that a number of systems are down at the moment and that the agency is working to resolve the issue.
The IRS did not have an immediate explanation for the failure.