a/ The Convention was signed by the former Czechoslovakia on 1 September 1981 and an instrument of ratification was deposited on 5 March 1990, with the Convention entering into force for the former Czechoslovakia on 1 April 1991.
a 前捷克斯洛伐克1981年9月1日签署公约，1990年3月5日交存批准书，公约于1991年4月1日对前捷克斯洛伐克生效。