Article 29 Adoption and amendment of annexes to this Convention
1.
Annexes to this Convention and amendments thereto shall be proposed, adopted and shall enter into force in accordance with the procedure set forth in Article 28.
2.
Annexes to the Convention shall form an integral part thereof and, unless otherwise expressly provided, a reference to the Convention constitutes at the same time a reference to any annexes thereto.
3.
Annexes shall be restricted to lists, forms and any other descriptive material relating to procedural, scientific, technical or administrative matters.