Task 3. Watch the video “Harmonized System (HS) Codes” and answer the questions by one of the four options.
https://rutube.ru/video/private/b3e08b9b2d9a193c56a0a7c8eed1593e/?p=IZvIVMPJYlvhz0habENi_Q
Questions:
3. What is the international basis for any national tariff codes?