reg 5
All filling marks shall be sufficiently clear and durable to ensure that MPEs are not exceeded in use. CONFORMITY ASSESSMENT The conformity assessment procedures specified in the modules in Schedule 1B applicable to capacity serving measures that the manufacturer can choose between are: (a) A2; (b) F1; (c) D1; (d) E1; (e) B and E; (f) B and D; or (g) H.