A non-resident can claim reimbursement of the value added tax (VAT). The claim must be filed at the border customs office (f.e. at the airport) within 3 months after the purchase. To process the claim, it is necessary to fill out a form and present both the receipt and the goods. For further conditions, kindly refer to the web site of the Customs Administration of the Czech Republic http://www.cs.mfcr.cz/cmsgrc/, chapter " Reimbursement of VAT".