Regulations Governing the Implementation of Customs Valuation Advance Ruling on Imported Goods Article 10

Customs Administration may modify the result of advance ruling and notify the concerned Applicant with explanation in written form if any of the following occurs:1. The Applicant has provided incorrect or incomplete information to the extent that it has altered the result of advance ruling;2. Regulations concerning the customs value have changed to the extent the result of advance ruling becomes invalid;3. Conditions or facts used as the basis for the arriving at the result of advance ruling have changed; or4. Any other significant error that Customs Administration deems necessary to modify the said result.After receiving the decision related to the change in the ruling, the Applicant may apply to Customs Administration for an extension of the period of the validity of the ruling, provided the Applicant is able to prove that a contract has been entered into, the transaction has been conducted according to the contract, and the change in the ruling will cause loss. However, such an extension shall not exceed ninety days following the date of receiving the written decision.The modified result of advance ruling shall be valid for three years starting from the issuance date of the written decision of the said result, unless otherwise further modified by Customs Administration.