4. Parties that maintain registration systems for upholstered and stuffed articles on the date of entry into force of this Agreement shall harmonize any differing registration requirements that might otherwise constitute an obstacle to trade and adopt harmonized registration requirements no later than January 1, 1996.
5. Parties that maintain labelling standards for upholstered and stuffed articles on the date of entry into force of this Agreement shall negotiate and adopt uniform labelling standards no later than January 1, 1996.
6. Parties that adopt registration requirements or labelling standards for upholstered and stuffed articles after the date of entry into force of this Agreement shall negotiate and adopt harmonized registration requirements or uniform labelling standards no later than January 1, 1996. Parties that adopt registration requirements or labelling standards for upholstered and stuffed articles after the harmonized registration requirements or uniform labelling standards are adopted under paragraph 4 or 5, shall adopt those harmonized registration requirements or uniform labelling standards.