On June 16, 1975, the Government of Switzerland declared that the provisions of the Agreement apply to the Principality of Liechtenstein so long as it is linked to Switzerland by a customs union treaty.
Declaration made upon ratification:
"The Government of Switzerland reserves the right to resume its freedom of action with regard to contracting States which unilaterally apply quantitative restrictions and exchange control measures of a nature to render the Agreement inoperative.
Furthermore, [the signature by the Government of Switzerland] is appended without prejudice to the attitudes of the Government of Switzerland in regard to the Havana Charter for an International Trade Organization signed at Havana on 24 March 1948."