NZCMRR Rules can be viewed on the NZCMRR website http://www.nzcmrr.com/events/rules. Period '82, '89 and '95 race classes are as defined in the MNZ Rulebook Chapter 17 - Road Racing Post Classic.

Classes are as follows, but not necessarily in this order:

1. 351-500cc - Pre '63 500 Clubmans, Pre '63 500 Factory Racing, Pre '63 500 Modified, Classic 70's 500
2. Post Classic - P'82 Senior, P '89 F1, P '95 Superbike, P '95 F1
3. Vintage & Pre War - Pre '31, Pre '46 350, Pre '46 500, 0-250cc - Pre '63 250 Clubmans, Pre '63 250 Factory, Pre '63 250 Modified, Classic 70's 250
4. Post Classic -  P'89 F2, P'95 F2
5. Sidecars - Pre '63, Classic '70s, Pre '82
6. Post Classic - P'82 Junior,  P'89 F3, P'95 F3 
7. 501cc-Open - Pre '63 Open Modified, Classic 70's Open
8. 251-350cc - Pre '63 350 Clubmans, Pre '63 350 Factory Racing, Pre '63 350 Modified, Classic 70's 350

Note: Some classes may be combined into a single event depending on entry numbers in each class. Regularity will not be held due to the limited time available for a single day event.