Customers of Insurance Australia Group (IAG) New Zealand, who live in areas that are more prone to natural disasters and severe weather events could possibly pay more for their home and contents insurance from 1 July onwards. On the other hand, customers who live in areas that are less prone may pay less. Affected customers are from IAG's brands including AMI, NZI and State as well as from banks which IAG provides insurance for, such as ASB, BNZ, The Co-Operative Bank and Westpac.