USUALLY YOU HAVE TO WORK FOR 10 MONTHS TO 1 YEAR AFTER YOU CAME FROM VACATION BEFORE YOU CAN FILE ANOTHER VACATION.EMERGENCY LEAVE IS NOT INCLUDED IN THAT.BUT THAT IS DEPEND ON THE COMPANY IF THEY APPROVE YOUR APPLICATION FOR VACATION EVEN YOU HAVE NOT YET FINISHED A MINIMUM OF 10 MONTHS TO 1 YEAR WORK.