"network operator"
means the person or persons who have the ultimate accountability for one or more of the following:
| (a) | the safety of a network or part thereof including the proper design, construction, maintenance and integrity of the network; |
| (b) | ensuring compliance of rolling stock with the applicable standards of the network; or |
| (c) | for the authorising and directing of the safe movement of rolling stock on the network; |
[Definition substituted by section 1(d) of Act No. 69 of 2008]