50 Ill. Adm. Code 924.40
The Endorsement
Section 924
Section 924.40 The
Endorsement
Each endorsement must contain
the following information:
a) The named insured's signature.
b) The date the endorsement was signed by the named insured.
c) The policy number.
d) Identification of the specific item or items to be excluded
from the named insured's policy as a result of the endorsement.
e) Specific identification of the automobile to which the
endorsement applies.