Article 2
(1) In accordance with this Protocol and instruments concluded under its terms, the competent authorities of the Parties shall assist each other in administering the laws (and regulations, rules and administrative practices thereunder) in Article 2 of the Convention and, when appropriate, the Convention itself.
(2) The competent authorities shall not carry out administrative measures or practices that are at variance with the statutes, regulations or administrative practices of either Party.
(3) All documents required to be tendered for official purposes under the Convention, and/or arising out of this Protocol or future arrangements and instruments, shall be presumed to be official documents so long as they are on official stationery or they bear the official seal or stamp of the relevant Party.