Originally Posted by MBS MillionMiler

What kittiyut said. Take your old passport with you for an easy transfer. I went through this a year or so ago.

And for the record, HK Immigration and Customs officials are among the most friendly, genuine and helpful people out there. They are sincerely happy that you are visiting their country (okay, Special Administrative Region of the PRC). When I moved initially from the HKIA "Frequent Visitor Card" to the e-Channel, I even told the guy--"you folks are nicer and more welcoming than those agents of my own country".