Article 1018: Exceptions

1. Nothing in this Chapter shall be construed to prevent a Party from taking any action or not disclosing any information which it considers necessary for the protection of its essential security interests relating to the procurement of arms, ammunition or war materials, or to procurement indispensable for national security or for national defense purposes.

2. Provided that such measures are not applied in a manner that would constitute a means of arbitrary or unjustifiable discrimination between Parties where the same conditions prevail or a disguised restriction on trade between the Parties, nothing in this Chapter shall be construed to prevent any Party from adopting or maintaining measures: