Article 60 - Revision of the Treaty

    • (1) This Treaty may be revised from time to time by a special conference of the Contracting States.
    • (2) The convocation of any revision conference shall be decided by the Assembly.
    • (3) Any intergovernmental organization appointed as International Searching or Preliminary Examining Authority shall be admitted as observer to any revision conference.
    • (4) Articles 53(5), (9) and (11), 54, 55 (4) to (8), 56, and 57, may be amended either by a revision conference or according to the provisions of Article 61.