In the message box you have to explain your username, payment processors, and ptc. For an example please see below:
Username : omphoeng
Payment processors : Liberty Reserve (LR)
PTC : KeyBux
If more than one ptc, see the format below:
Username : omphoeng
Payment processors : Liberty Reserve (LR)
PTC : KeyBux, NeoBux, blablabla
You can also add a message under it or any other message that we can help.