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”.