The Internal Revenue Service has announced that taxpayers in Delaware, Illinois, New York, and Rhode Island who file paper income tax returns will send them to different processing centers this year. Taxpayers in Delaware, New York, and Rhode Island will now send their tax returns to the IRS Kansas City Service Center in Kansas City, MO. Taxpayers in Illinois will now send their tax returns to the IRS Fresno Service Center, in Fresno, CA. The IRS continuously monitors work flow at its centers and makes appropriate adjustments by altering the volume of returns to be sent to each.