As provided for in State Bank Decision No. 504/QD-NHNN of March 7, promulgating a number of regulations on foreign currency transactions of credit institutions licensed for foreign exchange operation, directors of credit institutions licensed to conduct foreign exchange may set spot buy and sell rates for Vietnam dong against foreign currencies, effective March 10, on the principle that these rates must not be lower or higher by more than 1% (against previous amplitude of ±0.75%) than the average rates on the inter-bank foreign currency market applicable to a single trading day as announced by the State Bank.-