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Why did I get a bill from UPS?
All shipping charges are invoiced to you by Hypex, nevertheless it is possible you need to pay additional import duties/charges. The amount of import duties depends on your country. As the customer is responsible for paying all taxes and duties, please contact your local customs office for more information.
https://www.diyclassd.com/FAQ-Hypex/Online-ordering/Why-did-I-get-a-bill-from-UPS