March 11th. FINMARKET.RU – From April 28, the Mir payment system will change the currency conversion rules. : the rate will be fixed on the day of the payment instead of the date of settlement between banks. To increase the transparency and convenience of currency transactions of MIR cardholders, the payment system will use the exchange rates in effect on the date of payment (authorization), and not on the date of clearing (settlement between banks). This is stated in the technological bulletin of the payment system, which was sent to credit institutions, Izvestia writes.