AT オーストリア
- Protective Association against Unfair Competition (Schutzverband gegen unlauteren Wettbewerb): (in German) schutzverband.at / e-mail: office@schutzverband.at
AU オーストラリア
- Australian Competition & Consumer Commission (ACCC): https://www.scamwatch.gov.au/report-a-scam
- Australian Securities & Investments Commission (ASIC): https://www.moneysmart.gov.au/scams
CA カナダ
- Competition Bureau: http://www.competitionbureau.gc.ca/eic/site/cb-bc.nsf/eng/00157.html
(in French) http://www.bureaudelaconcurrence.gc.ca/eic/site/cb-bc.nsf/fra/00157.html
CH スイス
- State Secretariat for Economic Affairs SECO: e-mail: fair-business@seco.admin.ch
- Federal Consumer Affairs Bureau: e-mail: konsum@gs-evd.admin.ch
CZ チェコ共和国
- Industrial Property Office: e-mail: fraud@upv.cz
DE ドイツ
- German Protective Association against Economic Crime (Deutscher Schutzverband gegen Wirtschaftskriminalität, DSW): (in German) https://www.dsw-schutzverband.de/kontakt
DK デンマーク
- Consumer Ombudsman: https://www.consumerombudsman.dk
FR フランス
- Directorate General for Competition Policy, Consumer Affairs and Fraud Control (DGCCRF, Direction générale de la concurrence, de la consommation et de la répression des fraudes): (in French) https://www.economie.gouv.fr/dgccrf/contacter-dgccrf
GB イギリス
- ActionFraud: http://www.actionfraud.police.uk/report_fraud
HU ハンガリー 
- Hungarian Industrial Property Office (HIPO): e-mail: sztnh@hipo.gov.hu
IT イタリア
- Italian Competition Authority: https://en.agcm.it/en/scope-of-activity/consumer-protection/how-to-report-a-complaint
NZ ニュージーランド
- Consumer Affairs: https://www.consumerprotection.govt.nz/general-help/scamwatch/scammed-take-action/#search
- Commerce Commission New Zealand: http://www.comcom.govt.nz/the-commission/making-a-complaint/online-complaint-form/
US アメリカ合衆国
- Federal Trade Commission (FTC): https://www.ftc.gov/faq/consumer-protection/submit-consumer-complaint-ftc and/or https://reportfraud.ftc.gov/#/
- Your State Attorney General: http://www.naag.org/naag/attorneys-general/whos-my-ag.php
- IC3: http://www.ic3.gov/
国際ネットワーク
- International Consumer Protection and Enforcement Network (ICPEN)
References to national consumer authorities: https://www.icpen.org/resolve-dispute - Econsumer.gov portal: https://www.econsumer.gov/ja/FileAComplaint#crnt; Reference to national agencies: https://www.econsumer.gov/ja/Home/MemberCountries#crnt