That is a tax question.
I will shot this over to the legal/tax experts.
No. Listen, the ONLY time you pay is when and IF you click the ACCEPT button.
I re-directed your post to the appropriate experts and they will answer your post shortly. Keep a watch in your e-mails for an answer. If you don't hear from someone in the next 24 hours, send an e-mail to firstname.lastname@example.org and ask for help.
Let me know c/o XXXXX XXXXX at that e-mail address.