Which anti-money-laundering controls apply to cash deposits in foreign currency?

Since October 2010, monthly cash deposits in foreign currency above US$3,000 have been subject to additional requirements, including a sworn statement by the depositor as to the lawful origin of the funds (ICS 2024). The ICS records this as a practical friction in handling foreign exchange; it does not affect the right of repatriation, which the same report describes as unrestricted.