The US Office of ​the Comptroller of ‌the Currency said it has ​ordered American Express ​National Bank to ⁠pay a $350 million ​civil penalty for ​deficiencies in its program to combat money ​laundering. The OCC ​found American Express failed to ‌establish ⁠and maintain a program in connection with the ​US ​Bank ⁠Secrecy Act, which requires ​banks to ​have ⁠protocols for flagging suspicious transactions to ⁠prevent ​illicit ​payments.