Part Seven: Final Provisions
Article 50: Annexes
The Annexes to this Agreement constitute an integral part of the Agreement.
Article 51: Entry into Force
This Agreement shall enter into force on January 1, 1994, immediately after entry into force of the NAFTA, on an exchange of written notifications certifying the completion of necessary legal procedures.
Article 52: Amendments
1. The Parties may agree on any modification of or addition to this Agreement.
2. When so agreed, and approved in accordance with the applicable legal procedures of each Party, a modification or addition shall constitute an integral part of this Agreement.
Article 53: Accession
Any country or group of countries may accede to this Agreement subject to such terms and conditions as may be agreed between such country or countries and the Council and following approval in accordance with the applicable legal procedures of each country.
Article 54: Withdrawal
A Party may withdraw from this Agreement six months after it provides written notice of withdrawal to the other Parties. If a Party withdraws, the Agreement shall remain in force for the remaining Parties.
Article 55: Authentic Texts
The English, French and Spanish texts of this Agreement are equally authentic.
IN WITNESS WHEREOF, the undersigned, being duly authorized by the respective Governments, have signed this Agreement.