1.The customs authorities shall, under the conditions they lay down, and at the request of the person concerned, authorise replacement products to be imported before the defective goods are exported.
In the event of such prior importation of a replacement product, a guarantee shall be provided covering the amount of the import duty that would be payable should the defective goods not be exported in accordance with paragraph 2.
2.The defective goods shall be exported within a period of two months from the date of acceptance by the customs authorities of the declaration for the release for free circulation of the replacement products.
3.Where, in exceptional circumstances, the defective goods cannot be exported within the period referred to in paragraph 2, the customs authorities may, at the duly justified request of the person concerned, extend that period for a reasonable duration.