(1) Whether there are any rules on spending for accommodation and allowances for Ministers, Deputy Ministers and officials who travel abroad for meetings and official visits; if not, why not; if so, (2) whether there is a provision for repayment if they exceed the limits; if not, why not; if so, what are the relevant details; (3) whether there is any review to reduce the cost to taxpayers; if not, why not; if so, what are the relevant details?