30 ILCS 105/6z-23
All monies received by the Secretary of State pursuant to paragraph (f) of Section 2-119 or subsection (d) of Section 3-113 of the Illinois Vehicle Code shall be deposited in the CDLIS/AAMVAnet/NMVTIS Trust Fund. The money in this Fund shall only be used by the Secretary of State to pay for (1) the enrollment of commercial drivers into the Commercial Driver License Information System (CDLIS), (2) network charges assessed Illinois by AAMVAnet, Inc., for motor vehicle and driver records data and information, (3) expenses (limited to equipment, maintenance, and software) related to the testing of applicants for commercial driver's licenses, (4) expenses related to participation in the National Motor Vehicle Title Information Service, and (5) any expenses related to vehicle registration or titling.
30 ILCS 105/6z-23