Paragraph 20
A vehicle proceeding to or from or engaged in a practical test of competence to drive that vehicle under Article 5 of the Road Traffic (Northern Ireland) Order 1981f1, provided that the only load being carried is the load required to be carried on the vehicle for the purposes of the test, as prescribed in regulation 26 of the Motor Vehicles (Driving Licences) Regulations (Northern Ireland) 1996f2.