In the United States: For interstate commerce: FTC [1] or state/county AGs/consumer affairs bureaus, e.g. NYS [2], CA [3], WA[4] [1] https://www.ftc.gov/about

In the United States: For interstate commerce: FTC [1] or state/county AGs/consumer affairs bureaus, e.g. NYS [2], CA [3], WA[4] [1] https://www.ftc.gov/about-ftc/bureaus-offices/bureau-consumer-protection https://www.ftc.gov/about-ftc/bureaus-offices/bureau-consume... [2] https://www.usa.gov/state-consumer/new-york https://www.usa.gov/state-consumer/new-york [3] https://www.usa.gov/state-consumer/california https://www.usa.gov/state-consumer/california [4] https://www.usa.gov/state-consumer/washington https://www.usa.gov/state-consumer/washington