(a) Except as provided by Subsection (c), on receiving the transaction receipt required under Section 278.051, a customer may cancel the currency transaction:
(1) before leaving the premises of the currency transmission business; and
(2) not later than 30 minutes after the time at which the currency transmission was initiated.
(b) If the customer cancels the transaction, the currency transmission business shall immediately refund to the customer the fees paid and currency to be transmitted.
(c) A customer may not cancel a transaction after the recipient of the currency transmission has received the currency or its equivalent.