Illinois General Assembly Statutory Text (Verbatim)
Source: ilga.govSec. 12-804. Other vehicles - Color, stop signal arm and identification. No vehicle other than a school bus shall be identified with the sign "SCHOOL BUS", shall be equipped with a stop signal arm, shall be equipped with a strobe lamp or shall be equipped with a warning lamp system as described in Section 12-805 of this Act. No commuter van or bus other than a school bus shall be painted national school bus glossy yellow or a color that closely resembles national school bus glossy yellow.
(Source: P.A. 81-509; 81-740; 81-1509.)