1. Germany Trade & Invest — US de minimis update, October 14, 2026, reporting CBP’s postal implementation extension. https://www.gtai.de/de/trade/usa/zoll/usa-de-minimis-ausnahme-weltweit-1918566 (gtai.de)
  2. CBP/Federal Register — Indefinite Suspension of the De Minimis Exemption for Mail Shipments and New Postal Informal Entry Process, June 24, 2026. The original compliance date must be read alongside subsequent updates. https://www.govinfo.gov/content/pkg/FR-2026-06-24/html/2026-12670.htm (govinfo.gov)
  3. White House — Continuing the Suspension of Duty-Free De Minimis Treatment for All Countries, February 20, 2026. https://www.whitehouse.gov/presidential-actions/2026/02/continuing-the-suspension-of-duty-free-de-minimis-treatment-for-all-countries/ (whitehouse.gov)
  4. USITC — Harmonized Tariff Information, including the October 9, 2026 revision announcement. https://www.usitc.gov/harmonized_tariff_information (usitc.gov)
  5. USITC — classification and importing FAQ. https://www.usitc.gov/harmonized_tariff_information/frequently_asked_questions (usitc.gov)
  6. CBP — Duty-Free Exemption, official indexed guidance dated February 27, 2026. https://www.help.cbp.gov/s/article/Article-1402?language=en_US (help.cbp.gov)
  7. CFPB — refunds and credit-card purchase disputes. https://www.consumerfinance.gov/ask-cfpb/how-can-i-get-a-refund-on-a-product-or-service-i-purchased-with-my-credit-card-en-1969/ (consumerfinance.gov)