If you have the Invoice number just write it in the Invoice field,
Additional information go in the "Additional information" field,
This Invoice number will have the form "CMmmddyy_##"

   If you don't have an Invoice Number then fill the required fields(*)

  You will enter the event's address in the shipping address
when completing the order in Google Checkout.

  Remember always first to validate your email address
if this is your first time in Google Checkout.

  After you complete the Order in Google Checkout
you will receive a 15 digits order number confirmation, if you
do not receive this order number, your order have not been completed.

   If this is your deposit, then the balance, collected at delivery time,
will be the difference between your's order total and this deposit.