The USPS Customs Forms are used for declaring the contents and value of international packages being sent through the United States Postal Service (USPS). These forms provide information to customs authorities in both the United States and the destination country, allowing them to process and assess any applicable customs duties or taxes. Therefore, these forms are essential for international shipments to comply with customs regulations.
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This form is printed on a plastic envelope or pouch used by the United States Postal Service (USPS) for carrying and protecting customs forms and other documentation.