Dear Khun Mark.
 Regard to an Invoice that we have ever issued to you before, we must CANCEL all of them, due to as of now we have to do on the other way of the process which we have to arrangement in the matter of the period (3 months) of the money in the Bank Account.
 Please see our lastest revised invoice as attached. In this price, including service for your parents that they no need to go to the immigration.