I think if the shipper can't determine the amount of copper in their products, then neither can customs.
I think if the shipper can't determine the amount of copper in their products, then neither can customs.
> U.S. customs is demanding a Certificate of Analysis (which could cost thousands of dollars and to determine what exact amount of Aluminum, Copper and Steel are in the product), otherwise they assume the entire PCB consists of copper, aluminum, and steel, and charge a 100% tariff on the whole product
From TFA: "U.S. customs is demanding a Certificate of Analysis (which could cost thousands of dollars and to determine what exact amount of Aluminum, Copper and Steel are in the product), otherwise they assume the entire PCB consists of copper, aluminum, and steel, and charge a 100% tariff on the whole product. "
They WANT you to pay the full 100% in taxes.
Customs doesn't have to. They can simply decide you haven't followed the rules, and it'll be up to you to prove you haven't or face paying fines/losing a shipment/possible prosecution. And they can decide the playing field: can you be wrong by 10% on that copper estimate? 1%? 0.001%? Good luck.