Calculator FAQ
...RBNZ. For days after this date, the current rate should be treated as indicative only and subject to change each month: see How is the interest rate applied to the debt? What if I think the calculation is wrong? Under current legislation, the Ministry is responsible for ensuring a calculator allows interest to be calculated: At the relevant interest rate or interest rates expressed as a daily effective rate; and At daily intervals. The calculator must also comply with any prescribed rules o...