c) efficient procedures to collect premiums; d) recognition of insurance issued in a Member State throughout the Region; and e) administrative flexibility. ARTICLE 6.9 TRAINING AND TESTING OF DRIVERS Member States shall develop and implement harmonised standards with regard to the training and testing for learner's and driving licences and professional driving permits or other documentation issued for the same purpose, including a) curricula; b) examination and testing procedures; c) inspection and certification of testing facilities; d) training and certification of examiners; and e) training and certification of driving instructors. ARTICLE 6.10 DRIVING LICENCES 1. A Member State shall issue, upon successful completion of the relevant test in respect of a certain licence code, a driving licence for the categories to be agreed upon. 2. Member States shall adopt a harmonised format for driving licences. 3. Each Member State shall recognise driving licences issued according to the agreed SADC codes and format by other Member States or an International Driving Permit as corresponding and equal to its own, and for this purpose, a licence issued in one Member State shall be valid for the driving of a vehicle in respect of which it has been issued in any other Member State. 4. Member States shall harmonise learner's licence testing and codes with a view to encouraging the mutual recognition of each other's learner's licences. 5. The provisions of this Article shall also apply to professional driving permits or other documentation issued for the same purpose. 6. Member States shall require drivers to carry their driving licences and professional driving permits, as the case may be, at all times during a journey on a public road. ARTICLE 6.11 TRAFFIC OPERATIONS 1. Member States shall co-operate in harmonising traffic operations management and for this purpose, Member States shall take steps to adopt and implement harmonised and minimum standards in respect of -