- Unknown: Angola, Hong Kong, Macau, Mauritania, Mozambique, Singapore
- 30 April 1980: ECOWAS[7] (Economic Community of West African States): Benin, Burkina Faso, Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Mali, Niger, Nigeria, Senegal, Sierra Leone, Togo
- 2015: Timor-Leste[8][9]
- 1 January 2019: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom[10][11][12]
- 24 February 2020: Brazil, Canada, United States[13]
- 4 July 2020: Russia[14]
- 8 May 2024: Morocco
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