(48)In order to be able to mitigate potential investor redemptions in times of severe market stress, public debt CNAV MMFs and LVNAV MMFs should have in place provisions for liquidity fees and redemption gates to ensure investor protection and prevent a ‘first mover advantage’. The liquidity fee should adequately reflect the cost to the MMF of achieving liquidity and should not amount to a penalty charge that would offset losses incurred by other investors as a result of the redemption.