In a meeting accutane order mexico High treasury bill yields during 2012 boosted banks’ interest income. Although continuing tight monetary policy indicates that a sharp fall is unlikely, the yields have fallen slightly so interest income from banks’ large sovereign bond portfolios is likely to be lower in 2013. The central bank has also stipulated that interest rates for savings deposits should not be lower than 30% of the monetary policy rate, currently at 12%. Overall, there could be at least an average 100-200bp negative impact on margins over the next 12-18 months. Further margin pressure may arise if the authorities impose caps on lending rates to nationally important sectors, such as SMEs or agriculture.