How to Pay?
 
   Step 1: Fill up the required details.
   Step 2: The buyer is redirected to Krungsri e-Payment after choosing a payment                  method, which is direct debit  payment or credit card payment.
   Step 3: The Merchant sends a payment request via Krungsri e-Payment to
                 the BAY system.
   Step 4: The BAY system processes the online authorization and returns the
                 response via Krungsri e-Payment.
   Step 5: The Transaction response automatically forwards to the  confirmation page and                  customer can print out the confirmation message upon bank approval.