“The government closure came during the peak period for preparing IRS systems for the 2014 filing season. Programming, testing and deployment of more than 50 IRS systems is needed to handle processing of nearly 150 million tax returns. Updating these core systems is a complex, year-round process with the majority of the work beginning in the fall of each year.
About 90 percent of IRS operations were closed during the shutdown, with some major workstreams closed entirely during this period, putting the IRS nearly three weeks behind its tight timetable for being ready to start the 2014 filing season. There are additional training, programming and testing demands on IRS systems this year in order to provide additional refund fraud and identity theft detection and prevention.”