Answer:
If the customer pays for the foreign currency in cash or receives the foreign funds in currency form, and the U.S. dollar equivalent for the currency amount exceeds $10,000, a CTR must be filed.
CTRs are always reported in U.S. dollar amounts. Note that items 25 and 27 on the CTR specifies that cash-in and cash-out amounts are to be U.S. dollar equivalents. In items 26 and 28, the total amount of the foreign currency is entered and the foreign country is identified. Using a current conversion rate, the U.S. $50,000 would result in a number like 5416190 as the foreign amount, and the country would be "PF"