How do I track my refund?
退税的官网是是http://www.globalblue.com
上面可以查询
Once you submitted your Tax Free Form stamped by Customs, the status of your refund can be easily tracked online via the Refund Tracker on our website. You need the ID of the Tax Free Form (“DOC ID”) which you can find under the barcode of your Tax Free Form, and the Country of purchase.
详细见
http://www.globalblue.com/customer-services/tax-free-shopping/tax-free-shopping-faqs/
For this purpose, it is recommended to make a photocopy of your Global Blue Form, or to note the ID of the Tax Free Form (“DOC ID”).