1. The existence of a previous service of no less than 12 months subject to the civil or military retirement laws, and he was not compensated for it. 2. The applicant is currently on the job with the Social Insurance. 3. Submit a request to combine the previous service before the end of his service in the last law “Social Insurance Law”​ 4. The subscriber should not have received a reward or a retirement pension for the service to be included. 5. The joining request shall not be accepted if the subscriber age is greater than 59 years at the time of submitting the request, or if the reason for the end of service subject to the retirement system (civil or military) is disability.”