Article 4
1. The provisions of the Agreement shall be applied to goods exported from either Chile to one of the new Member States or from one of the new Member States to Chile, which comply with the provisions of Annex III to the Agreement and which on the date of accession are either en route or in temporary storage, in a customs warehouse or in a free zone in Chile or in such new Member State. 2. Preferential treatment shall be granted in such cases, subject to the submission to the customs authorities of the importing country, within four months of the date of accession, of a proof of origin issued retrospectively by the customs authorities or competent governmental authority of the exporting country.