Explanation:

Statement 2 is incorrect: It requires exporting state-parties to obtain an end-use certi fi cate from importing non-state parties regarding the trade of chemicals mentioned in Schedule 3 only. Supplementary notes: Chemical Weapons Convention (CWC)  The Chemical Weapons Convention (CWC) is a multilateral treaty that bans chemical weapons and requires their destruction within a speci fi ed period of time.

 The treaty is of unlimited duration and is far more comprehensive than the 1925 Geneva Protocol, which outlaws the use but not the possession of chemical weapons.

 CWC negotiations started in 1980 in the UN Conference on Disarmament. The convention opened for signature on January 13, 1993, and entered into force on April 29, 1997.

 The CWC is implemented by the Organization for the Prohibition of Chemical Weapons (OPCW), which is headquartered in The Hague with about 500 employees.

 The Chemical Weapons Convention prohibits:

 Developing, producing, acquiring, stockpiling, or retaining chemical weapons

 The direct or indirect transfer of chemical weapons

 Chemical weapons use or military preparation for use

 Assisting, encouraging, or inducing other states to engage in CWC-prohibited activity

 The use of riot control agents “as a method of warfare”  The CWC requires states-parties to declare chemical industry facilities that produce or use chemicals of concern to the convention. These chemicals are grouped into “schedules,” based on the risk they pose to the convention.

 The convention encourages trade among states-parties, calling upon them not to maintain restrictions on one another that would hamper the trade of chemical-related items to be used for peaceful purposes.

 The convention does restrict trade with non-states-parties, outlawing the transfer of Schedule 1 and 2 chemicals.

 To ensure that Schedule 3 transfers to non-states-parties are not used for purposes prohibited by the convention, the CWC requires exporting statesparties to obtain an end-use certifi cate from importing states.