38 Ill. Adm. Code 150.90
Multiple Creditors
Section 150.90 Multiple
Creditors
a) When a debtor has multiple creditors, the collection agency
shall maintain a separate account record for each creditor.
b) Checks, money orders, or drafts received by a collection
agency from a debtor or on behalf of a debtor made payable to a specified
creditor shall be applied to the specified creditor's account record.
c) When a collection agency is collecting two or more accounts
from one debtor, the collection agency shall apply any payments received from
the debtor according to the debtor's directions.
d) When the debtor overpays the total amount outstanding to a
specific creditor, money due to the debtor for an overpayment to the specific
creditor may not be applied by the collection agency against any other
obligation owed by the debtor and must be refunded to the debtor unless the
debtor has authorized the collection agency, in writing or by lawfully recorded
verbal statement, to apply the money to another obligation owed by the debtor.