40 Pa. Code § 11.233
A discrepancy between products ordered and products delivered may be corrected, within 30 days of purchase, by returning the incorrect product for a refund. The licensee will be required to provide documentation of the transaction, as defined in § 11.231(d) (relating to general provisions), and the erroneous product. The payment of a handling charge will be waived for returns under this section.
This section cited in 40 Pa. Code § 11.231 (relating to general provisions); and 40 Pa. Code § 11.239 (relating to special order listings).