92 Ill. Adm. Code 522.220
Department Notification
Section 522
Section 522.220 Department
Notification
The following types of signs do
not require a permit for erection or a registration. However, the sign owner
shall notify the appropriate Department Office in writing of the exact sign
location, type of sign and size prior to erection.
a) Directional signs which comply with the standards set forth in
Section 522.170.
b) Official notices which comply with the standards set forth in
Section 522.160.
c) Public Utility signs.
d) Official signs.