Sudan is asking the United States for help in arranging a smart card system as it prepares to announce reforms to its subsidy system next month.Sudan was talking to the U.S. about Citibank entering the country and about enabling the use of smart cards and ID cards to manage cash transfers, according to Finance Minister Ibrahim al-Badawi.Badawi said sanctions had hampered efforts to prepare smart cards for a reformed subsidy system, and that international banks had been reluctant to resume transfers to Sudan because of the terrorism listing.