How to deactivate SMBC IC CASH CARD Debit online function?

Go log in to your SMBC Sumitomo Banking application using your branch and contract number
Once on the homepage, click the SMBC Debit
Then, select settings
Next, choose the second option
Lastly, select the function you want to disable. Toggle the green button to the left (white means disabled)

Visa Debit Function/Stores (1st)

Online transactions/Shopping (2nd)

International Stores (3rd)

International/Overseas ATM withdrawal (4th)