In applying Article 6, Paragraph 1, in case of persons who have been working in the territory of one Contracting Party prior to the date of entry into force of this Agreement, the periods of posting referred to in that Paragraph shall be considered to begin on the date of entry into force of this Agreement. The certificate shall be issued or submitted no later than 6 months after the date of entry into force of this Agreement and in accordance with Article 12.
