Not complying with the Further Reporting Order (FRO) is an offence under the Enlistment Act. Please note that any changes in appointment dates of your medical review may result in a delay in your enlistment. If you have a valid reason for why you cannot attend the medical review, you can reschedule your appointment. You should try to schedule your follow-up appointments less than two months apart if possible. You may refer to the CMPB website https://www.cmpb.gov.sg/cmpb/medical-review/) for more details on rescheduling of medical appointment(s.