55 Pa. Code § 3042.171
The parent or caretaker may not be required to repay an overpayment except for an overpayment resulting from one of the following:
This section cited in 55 Pa. Code § 3042.159 (relating to notice of overpayment); 55 Pa. Code § 3042.172 (relating to eligibility agency responsibilities regarding overpayment); and 55 Pa. Code § 3042.176 (relating to collection).