CHINA'S banking regulator said it will allow five overseas banks including Citigroup Inc to issue credit and debit cards in yuan for the first time once they meet "technical" standards. Other banks approved for card services in September were HSBC Holdings Plc, Bank of East Asia Ltd, Standard Chartered Plc, and Hang Seng Bank Co, Qi Jianming, deputy director of the China Banking Regulatory Commission, said in a live broadcast.