12 CFR §151.80

1. (a)If you elect to satisfy § 151.70 by providing the customer with a registered broker-dealer confirmation, you must provide the confirmation by having the registered broker-dealer send the confirmation directly to the customer or by sending a copy of the registered broker-dealer's confirmation to the customer within one business day after you receive it.
2. (b)Unless you have determined remuneration in a written agreement with the customer, if you have received or will receive remuneration from any source, including the customer, in connection with the transaction, you must provide a statement of the source and amount of the remuneration in addition to the registered broker-dealer confirmation described in paragraph (a) of this section.