(35)A minimum set of criteria should be laid down to ensure that acceptable collateral is highly liquid and can be converted into cash rapidly and with minimal price impact. Those criteria should refer to the issuer of the collateral, the extent to which it can be liquidated in the market and whether its value is correlated with the credit standing of the member posting the collateral to cater for possible wrong-way risk. A CCP should have the option to apply additional criteria where necessary to achieve the desired level of robustness.