https://pkddownloadsg.icao.int/
https://pkddownload1.icao.int/CRLs/<3Alpha_Country_Code>.crl
Austria: https://www.bmi.gv.at/Downloads/csca.aspx
Belgium: http://certs.eid.belgium.be/
Bulgaria: https://www.mvr.bg/en/ministry/about-ministry-of-internals/usefull-for-you/certificates-for-verification-of-e-documents
Croatia: https://www.epassport.hr/
Estonia: https://www2.politsei.ee/en/nouanded/isikut-toendavad-dokumendid/cert.dot
Finland: https://www.poliisi.fi/en/csca
France: (Non-international) https://ants.gouv.fr/L-international/Country-Signing-CA-France
Germany: https://www.bsi.bund.de/EN/Topics/ElectrIDDocuments/securPKI/securCSCA/Root_Certificate/cscaGermany_node.html#doc6650358bodyText3
Greece: http://www.passport.gov.gr/en/npc-content/npc-periexomeno/hellenic-country-signing.html
Hungary: https://www.nyilvantarto.hu/en/csca_certificate
Iceland: https://www.skra.is/english/individuals/passport-and-id-card/various-information-on-passports/security-of-icelandic-passports/
Italy: https://csca-ita.interno.gov.it/
Lithuania:http://www.csca.lt/
Malta: https://repository.csca.gov.mt/
Netherlands: https://www.npkd.nl/
Poland: https://www.gov.pl/web/cyfryzacja/certificates-of-the-csca
Slovenia: (Non-international) https://www.si-trust.gov.si/sl/storitve-centra/digitalna-potrdila-za-biometricne-potne-listine/digitalna-potrdila-za-biometricne-potne-listine/
Spain: (Non-International) https://www.dnielectronico.es/PortalDNIe/PRF1_Cons02.action?pag=REF_1093&id_menu=55
Sweden: https://polisen.se/en/services-and-permits/passport-and-national-id-card/swedish-certificates-and-crls/country-signing-certificate-authority-csca-sweden/
Switzerland: https://www.bit.admin.ch/bit/en/home/subsites/allgemeines-zur-swiss-government-pki/rootzertifikate/swiss-country-signing-certification-authority--csca-/csca-production.html