Section 174 R & D IRS Updates & Method Change Procedures

For more than two hundred years, innovative and ingenious Illinois manufacturers have made the world a better place to live by creating life-saving products, building our infrastructure, transporting people and products around the globe and into space, feeding the world, powering our homes and businesses, developing pioneering technology and communication, and providing for our nation’s defense.

220 E. Adams St.
Springfield, Illinois  62701

(217) 522-1240
(800) 875-4462
Fax: (217) 525-0055