35 Ill. Adm. Code 691.305
Overpayment or Underpayment of Program Participation Fee
Section 691
Section 691.305 Overpayment
or Underpayment of Program Participation Fee
a) If the amount remitted is more than the amount due under this
Part, the community water supply's account shall be credited by the amount of
the overpayment.
b) If the amount remitted is less than the amount due under this
Part, the community water supply will be billed for the balance due.