Log in the Midax application . Then click "Midax EFT". After that go to customers and search for the customer.When you find the customer you are looking for go to the main tab. In the online merchant section you will see the to which merchant the card is assigned(from which merchant the card was created).
If you go to the Gift tab you will see the merchant from which the card was activated(This is the merchant from which the card was activated). Both of those merchants need to be the same. Otherwise a transaction between the merchants will be made every time this card is being used.