I cannot add my commonwealth bank kard to my wallet

See -> If you can't add a card to Apple Wallet to use with Apple Pay

If you can't add a card to Apple Wallet to use with Apple Pay - Apple Support

• 👉 Apple does not approve or decline cards for use with Apple Pay. If your card was declined, contact your bank or card issuer.

Get support from Apple directly -> Get Support or call Apple in your region see -> Contact Apple for support and service or check -> here for more support and assistance.