The employer didnt accept proper final exit

My contract will finish after 80days ..i want to go final exit.i already informed employer for the final exit.and he already tell that he didn'nt make paper for final exit.they didn't accept my paper ...in saudi rule before 60 days must inform employer.how can make final exit paper for proper methods...in qiwa any method to inform employer for final exit...what are the methods to inform employer for final exit...please  help