Our Staff Reporter KARACHI - The State Bank of Pakistan (SBP) has debarred World Express Exchange Company-B (Pvt) Ltd, from undertaking any kind of business activity. SBP has, with immediate effect, suspended the authorisation/ license of M/s World Express Exchange to deal in sale and purchase of foreign currency notes and coins till further orders on account of violations of SBP rules and regulations. The companys head office and all its branches in Karachi have been advised by the State Bank not to carry out any transaction till further orders as it would attract more severe penal action under the rules.