Talk to your Payroll Manager or contact RMHC New Zealand.
There is no minimum amount set. All donations add up to make a big difference.
No, this is entirely optional.
Yes, you can stop at any time. Simply tell your Payroll Manager you would like to stop donating. And when you are ready to start contributing again, let your Payroll Manager know. You can also reduce the amount you are donating at any time.