2021
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Circular no. 88-202101.06.2021Sweden – Mobile postage service
2020
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Circular n°118-202008.09.2020Nigeria – Illegal philatelic issues
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Circular no. 113-202018.08.2020Côte d’Ivoire (Rep.) – Illegal stamp issue
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Circular no. 94-202011.08.2020Mali – Illegal postage stamp issue
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Circular no. 73-202011.08.2020International Fund for Agricultural Development (IFAD) – International Day of Family Remittances joint stamp issue
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Circular no. 56-202011.08.2020Côte d’Ivoire (Rep.) – Commemorative postage stamp for the 27th UPU Congress
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Circular no. 4-202011.08.2020United Nations – Joint stamp issue to mark the 75th anniversary of the UN
2019
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Circular no. 191-201911.08.2020Azerbaijan – Entities authorized to represent the country at philatelic events
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Circular no. 155-201911.08.2020Food and Agriculture Organization – International Year of Plant Health commemorative stamp
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Circular no. 148-201911.08.2020Syrian Arab Republic – Illegal stamp issues
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Circular no. 147-201911.08.2020Mali – Illegal postage stamps
2018
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Circular no. 183-201811.08.2020EMS Cooperative – 20th anniversary joint commemorative stamp
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Circular no. 159-201811.08.2020UNESCO – International Year of Indigenous Languages
2017
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Circular no. 158-201711.08.2020Libya – Illegal issues
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Circular no. 157-201711.08.2020Egypt – Illegal issues
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Circular no. 19-201711.08.2020Rwanda – Illegal issues
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Circular no. 18-201711.08.2020Croatia – Illegal issues