Signed on behalf of the Republic of China on 28 December 1970. See also note 1 under “China” in the “Historical Information” section in the front matter of this volume.
The former Yugoslavia had signed and ratified the Optional Protocol on 18 December 1969 and 5 March 1974, respectively. See also note 1 under “Bosnia and Herzegovina”, “Croatia”, “former Yugoslavia”, “Slovenia”, "The Former Yugoslav Republic of Macedonia" and “Yugoslavia” in the “Historical Information” section in the front matter of this volume.
See note 1 under “Montenegro” in the “Historical Information” section in the front matter of this volume.