The laws of cricket apply in Twenty20 as well. Some playing conditions are changed to fit the formatAs the name suggests, each innings limited to a maximum of 20 oversTeams have to bowl the 20 overs in an hour and 15 minutesFielding restrictions apply for the first six overs of each inningsEach bowler may bowl a maximum of four overs (or one-fifth of the revised quota in case of a shortened game)As in normal ODI matches, one short-pitched ball is allowed per overTeams are penalised six runs for each over not bowled within the stipulated playing timeUmpires can penalise batting teams five runs if they believe that a batsman is wasting timeA batsman is to be ruled 'timed out' if he is not in position to take guard within one minute 30 seconds of the fall of the previous wicketThe batsman is allowed a free hit off the delivery following a foot-fault no-ball