New Zealand Four Wheel Drive Association Inc.

The government has rules for congregation of people and has defined two categories events and gatherings

• The organiser needs to decide whether their planned activity is an event or a gathering, the rules are different for each category.
• Look at Government guidelines, be warned these change often. 

• Here's an overview (as of publishing): 
  https://covid19.govt.nz/assets/COVID-19-Protection-Framework/COVID-19-Protection-Framework-traffic-lights-detailed-table.pdf
• These are the specific details (as of publishing):
  Public and private gatherings at Orange | Unite against COVID-19 (covid19.govt.nz)
  Events at Orange | Unite against COVID-19 (covid19.govt.nz)

• There are similar guides for Red and Green.

• If in doubt, contact the National Events Officer Brian Howat on 027 567 1471 or Brian.Howat.nz@gmail.com