The national regulations may provide for—
(a) the procedures for determining an application for a PBS design approval or a PBS vehicle approval, including, for example, providing for the time for making a decision on the application, the fee for the application and forms relating to the application; and
(b) the procedures for cancelling or modifying a PBS design approval or PBS vehicle approval; and
(c) performance based standards, and assessment and certification rules, relating to PBS design approvals or PBS vehicle approvals; and
(d) the appointment, functions and
management of persons as PBS assessors and PBS vehicle certifiers.