Log in to your 1-grid Customer Zone.
Select the “Billing” drop-down menu then select “My Debit Details”.
Click on “Edit My Account Details”.
You will see a drop-down menu for “payment method”. Please ensure that you select “My Debit Details”.
- Enter your Bank account details:
- Read the Mandate details that follows.
- The last step is to tick the checkbox and then click “Submit Bank Details”.