Related Rule
Ukraine
Practice Relating to Rule 74. Chemical Weapons
Ukraine’s IHL Manual (2004) states that the use of “toxic agents” as a means of warfare is prohibited. 
Ukraine, Manual on the Application of IHL Rules, Ministry of Defence, 11 September 2004, § 1.3.3.
Pursuant to Ukraine’s Criminal Code (2001), “the use of weapons of mass destruction prohibited by international instruments consented to be binding by the [Parliament] of Ukraine” is a war crime. 
Ukraine, Criminal Code, 2001, Article 439(1).
In 1966, during a debate in the First Committee of the UN General Assembly, Ukraine supported Hungary’s view that the 1925 Geneva Gas Protocol had developed into customary international law and that the use of chemical weapons constituted an international crime. 
Ukraine, Statement before the First Committee of the UN General Assembly, UN Doc. A/C.1/ SR.1452, 14 November 1966, p. 154.
In 1977, during a debate in the First Committee of the UN General Assembly, Ukraine also referred to the 1972 initiative and stated that the elimination of chemical weapons was one of the most important measures of disarmament. 
Ukraine, Statement before the First Committee of the UN General Assembly, UN Doc. A/C.1/ 32/PV.23, 6 October 1977, p. 2.
In 1987, during a debate in the First Committee of the UN General Assembly, Ukraine proposed a chemical weapons free zone in Europe. 
Ukraine, Statement before the First Committee of the UN General Assembly, UN Doc. A/C.1/ 42/PV.28, 2 November 1987, p. 17.
In 1991, during a debate in the First Committee of the UN General Assembly, Ukraine stated that it neither possessed nor produced chemical weapons. 
Ukraine, Statement before the First Committee of the UN General Assembly, UN Doc. A/C.1/ 46/PV.3, 14 October 1991, p. 86.
In 1994, during a debate in the First Committee of the UN General Assembly, Ukraine stated that it wanted to “rid the densely populated European continent, as well as other regions, of these deadly [chemical] weapons by the beginning of next century”. 
Ukraine, Statement before the First Committee of the UN General Assembly, UN Doc. A/C.1/ 49/PV.7, 20 October 1994, p. 17.
At the First Conference of States Parties to the Chemical Weapons Convention in 1997, Ukraine stated: “It must be our general aim to give this document a universal stamp.” It further offered its full cooperation with the Organisation for the Prohibition of Chemical Weapons and promised to ratify the 1993 Chemical Weapons Convention as soon as possible. 
Ukraine, Statement at the First Conference of States Parties to the Chemical Weapons Convention, The Hague, 6–23 May 1997.