Truth in Lending: 12(e) Prompt Notification of Returns and Crediting of Refunds.
Paragraph 12(e)(1)
1. Normal channels. The term normal channels refers to any network or interchange system used for the processing of the original charge slips (or equivalent information concerning the transaction).
Paragraph 12(e)(2)
1. Crediting account. The card issuer need not actually post the refund to the consumer’s account within three business days after receiving the credit statement, provided that it credits the account as of a date within that time period.