The Illinois Environmental Protection Agency amended 35 Ill. Admin. Code 276, Procedures to be Followed in the Performance of Inspections of Motor Vehicle Emissions. Changes remove references to the IM240 emissions test, update definitions, and create a universal "emission compliance certificate." The amendment took effect June 28, 2011. http://www.cyberdriveillinois.com/departments/index/register/register_volume35_issue29.pdf pp. 11268-357.