Assets with high liquidity that is held by financial institutions, which aims to meet short-term obligations. It is also designed to make sure the financial institutions have the needed assets on hand in order to rule out short-term liquidity disruptions. Banks are mandated to withhold highly-liquid assets like cash or Treasury bonds that is equivalent or higher than their net cash for a 30-day period (have at least 100% coverage. This was regulated and implemented in 2011, but the 100% minimum won’t be executed until 2015.