35 Ill. Adm. Code 174.403
Amendments
Section 174
Section 174.403 Amendments
a) Either the Agency or the unit of local government may propose
an amendment to the agreement, which shall become effective when both parties
sign a document embodying the amendment, or at any other later mutually
agreeable date.
b) Changes to standard specifications for water main construction
shall be made by amending the delegation agreement.