The entrant whose name appears hereon hereby agrees that the Central Ohio - USBC Association, its officers and agents shall be liable only to the extent of returning entry fee if and when this entrant shall be prevented from bowling in the tournament through delay, unexpected yet necessary schedule change, or premature termination of the tournament, which may be brought about by war, national emergency or emergencies of causes relating thereto or resulting from, fires, strikes, lockout, or labor difficulties beyond the control of the Central Ohio - USBC Association.