a repositionable latch blocking apparatus for use with a latchable mechanism , the latchable mechanism having an operating device to operate the latchable mechanism between locked and unlocked positions , the latch blocking apparatus including a unitary configuration having at least a first surface , the unitary configuration having a fastening device disposed thereupon adjacent the operating device in use , to fasten the latch blocking apparatus proximate the operating device of the latchable mechanism , so as to position the at least first surface to block the operation of the operating device and thereby prevent the operation of the latchable mechanism between locked and unlocked positions , whereby when the latch blocking apparatus is repositioned , so as to position the at least first surface remote the operating device said repositioning allows operation of the latching mechanism .