"conference of the Parties". ill/ In general, these agreements provide for institutionalized and regular collective action by the contracting Parties. This technique permits the review, on a regular basis, of the effectiveness of the convention in question and allows monitoring by the Parties of its implementation. Other multilateral agreements have made effective use of similar devices as an element of their dispute-settlement mechanisms. lZU/ (2) Draft article 7 is based on article XI of the Convention on International Trade in Endangered Species of Wild Fauna and Flora of 2 March 1973 (CITES). 1ZZ/ That article provides as follows: Article XI. Conference of the Parties 1. The Secretariat shall call a meeting of the Conference of the Parties not later than two years after the entry into force of the present Convention. 2. Thereafter the Secretariat shall convene regular meetings at least once every two years, unless the Conference decides otherwise, and extraordinary meetings at any time on the written request of at least one third of the Parties. ill/ See, e.g., the Convention on International Liability for Damage Caused by Space Objects, 29 March 1972, Geneva, United Nations, Treaty Series, vol. 961, p. 187, article XXVI; the Geneva Convention on Long-Range Transboundary Air Pollution, 13 November 1979, document ECE/HLM.l/R.l, reprinted in International Legal Materials, vol. 18 (1979), p. 1442, article 10 (denominated the "Executive Body" of the Convention); the Convention on International Trade in Endangered Species of Wild Fauna and Flora of 2 March 1973 (CITES), United Nations, Treaty Series, vol. 993, p. 243, article XI (set forth in parargraph (2) below); the Vienna Covention for the Protection of the Ozone Layer, 22 March 1985, Geneva, International Legal Materials, vol. 26 (1987), p. 1516, article 6; and the Montreal Protocol on Substances that Deplete the Ozone Layer, 16 September 1987, International Legal Materials, 
**Analysis**
The text appears to be discussing international agreements and conventions related to the environment and conservation of natural resources. The mention of endangered species, ozone layer protection, and long-range transboundary air pollution suggests a focus on environmental issues. Additionally, the text references the Convention on International Trade in Endangered Species of Wild Fauna and Flora, which further supports the idea that the category is related to natural resources and environment.

**Category**
Natural resources and environment, International trade