An application file for tax identification of a foreign representative office is specified as follows: A written request for invalidation of tax identification numbers, form No. 24/DK-TCT attached to this Circular The contract liquidation (if any) or the document on the transfer of the entire capital contribution to the oil and gas contract for the investor participating in the oil and gas contract Written certification of the fulfillment of tax obligations for import-export activities by the General Department of Customs if the organization has import-export activities