RunningMan:
Remember that there is no requirement for retail to record details for contact tracing.
Retail businesses:
- need to keep customers 2 metres apart
- do not need to keep records of customers to enable contact tracing.
https://covid19.govt.nz/alert-system/alert-level-2/#workplaces-and-businesses
No requirement to, but surely can't hurt. The more we have the better surely?