Article 6
1. Products which were exported before 1 January 1992, accompanied by a Movement Certificate EUR 1 or Form EUR 2, shall be considered as originating under the rules in force on 1 January 1992. 2. Movement Certificates EUR 1 or Forms EUR 2 issued or made out before 1 January 1992 under the rules in force before that date shall be accepted up to and including 31 May 1992 according to the rules in force when they were issued. 3. Articles 19 and 20 of the Protocol shall apply in the case of goods exported before 1 January 1992 and retrospective or duplicate Movement Certificates may be issued under the rules in force before that date.