The Regulation Amending the Regulation Regarding the Measurements and Assessment of the Liquidity Adequacy of Banks was enacted on 23 January 2009. A provisional article to be effective from 26 January 2009 until 26 July 2010 has been added with respect to the calculation of foreign currency liquidity adequacy ratios. This provisional article suggests that the assets and liabilities indexed to foreign currency will be considered at their foreign currency values for a period of 18 months. However, asset and liabilities indexed to foreign currency will be taken into consideration at their Turkish lira values for the calculation of total liquidity adequacy ratio.