In My wallet, you can update your billing address with the following steps:
1. Click Edit on the top right of the Billing address section.
2. Choose one of the following methods to set your billing address:
•If your billing address is the same as the residential address, select the Same as the residential address checkbox. The billing address will be automatically synced from your residential address configurations.
•If your billing address is different from the residential address, fill in the billing address. Select Singapore or Non-Singapore, and then enter the detailed address information.
3. Click Save to save your configurations.