NZ Maritime Medical To ensure safety and health in the Maritime sector Maritime NZ policy states that all seafarers are required to pass a medical examination by a medical practitioner, for the issue of a certificate of medical fitness. OEUK/OGUK Medical To ensure safety and health in the offshore energy sector OEUK/OGUK policy states that all persons working offshore shall be examined periodically and classified as medically fit to work in the offshore environment. NZTA Drivers Licence To ensure safety and health on the roads LTNZ require Medical Certification for completion of an application or renewal of your drivers licence in certain circumstances.