For the purposes of this chapter, a remittance or transfer of funds, or of currency, other monetary instruments, checks, investment securities, or credit to the domestic account of a person whose address is known by the person making the remittance or transfer, to be outside the United States, shall be deemed to be a remittance or transfer to a person outside the United States, except that, unless otherwise directed by the Secretary, this section shall not apply to a transaction on the books of a domestic financial institution involving the account of a customer of such institution whose address is within approximately 50 miles of the location of the institution, or who is known to be temporarily outside the United States.