answer: #Person2# pays the duty for the whisky after #Person1# asks #Person2# whether #Person2# has anything to declare.
documents: #Person1#: Do you have anything to declare?
  #Person2#: I have a camera and three bottles of whisky.
  #Person1#: OK. You'll have to pay duty for the whisky.
  #Person2#: Well, where shall I pay the duty for the whisky?
  #Person1#: Please wait a moment. I'll make out the duty memo. Here you are. Take this and pay the people over there.
  #Person2#: I've paid the duty. Here is the receipt
  #Person1#: Very well. I hope you'll enjoy your stay in China.
  #Person2#: Thank you.