You are looking at a part of a law called the New Schedule 3 of Police Act 1958. This schedule is connected to the Employment Relations Act 2000. It has extra information that is not part of the main law, like additional rules and definitions.

You can find more details about how this schedule was created by looking at s 239. This is the part of the law that gives permission for this schedule to exist.

The schedule also talks about a procedure for conciliation and arbitration, which is empowered by s 67(6). Any changes to the law are included in the Act(s).