3Interpretation

#### 3 Interpretation 3 Interpretation > In these regulations, unless the contrary intention appears— > > Category A notifiable occurrence—see regulation 57; > > Category B notifiable occurrence—see regulation 57; > > Category C notifiable occurrence—see regulation 57; > > Law means the Rail Safety National Law, as amended from time to time, set out in the schedule to the Rail Safety National Law (South Australia) Act 2012 of South Australia; > > National Transport Commission means the body of that name established under the [National Transport Commission Act 2003](http://www.legislation.gov.au/) of the Commonwealth; > > network rules means the rules, systems and procedures relating to railway operations established or adopted by a rail infrastructure manager to ensure the safety of the manager’s railway operations for the purposes of section 52(3)(c) and (4)(c) (*Duties of rail transport operators*) of the Law. > > **Reg 3:** Am 2022 (269), reg 4.