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International Shipping:
Customs Declarations

Shipping abroad with Buy Postage works much like domestic shipping—with one extra step: completing customs details. We generate the required forms using what you provide. You’ll do two things: choose a content type andlist what’s inside.

1) Choose the Type of Contents

Select exactly one category for your shipment:

Merchandise

Items with commercial value. Requires an HS/HTS (tariff) code for each line item, and an invoice.

Tip: Look up codes via official HTS/HS tools (e.g., USITC HTS, Census Schedule B).

Returned Goods

Items originally exported and now returning. Keep proofs (prior export/invoice) if available.

Documents

Paper documents only (no commercial value), generally in a flat envelope (≈ ≤ ¼″ thick). Anything with value or goods is not “documents.”

Gift

Non-commercial present between private individuals.De minimis thresholds vary by country; duties/VAT may still apply.

Sample

Representative items not for resale. Mark clearly as “commercial sample”; values should be realistic.

Other

Use only if no other category fits. Provide a complete description explaining the purpose.

Merchandise specifics: If you choose Merchandise, duties or taxes may apply in the destination country, and each item needs an HS/HTS code. Keep or upload an invoice (commercial or pro forma).

2) List the Contents

Provide details for each distinct item line so customs can identify and assess it:

  • Quantity (number of units)
  • Clear English description (e.g., “pens,” “books,” “sunglasses,” “wristwatch,” “men’s leather shoes,” “laptop computer”)
  • Value (USD) — honest and accurate
  • Net weight per item (without retail/outer packaging)
  • HS/HTS code — Harmonized System code used to classify the item for customs purposes. You can search for them on hts.usitc.gov

Weight clarification: For customs, provide net weight per item. For postage, also provide the total package weight (all items + box/envelope) so we can rate the label correctly.

Common Pitfalls to Avoid

  • Declared weights don’t match reality (or you gave only total weight and no net weights per item).
  • Vague or inaccurate descriptions (“stuff,” “goods,” “personal items”).
  • Missing required fields (item name, quantity, value, country of origin, HS code when needed).
  • Listing everything as zero value or “no commercial value.”
  • Non-English descriptions.
  • Calling something “gift” or “sample” without specifics.

Best Practices

  • Describe items in English with enough detail (e.g., “Pair of men’s leather shoes,” “Two cotton T-shirts,” “Five cashmere sweaters”).
  • Use realistic values; ensure invoice and declaration values agree.
  • When shipping on behalf of a business (samples, promos, gifts), attach aPro forma Invoice with sender & recipient names and phone numbers, sender’s company name/address (if applicable), item names, quantities, values, and country of origin.

Checks Before You Ship

  • Prohibited/Restricted Items: Confirm your goods are allowed into the destination country and that you meet any license/permit requirements.
  • Attestation: You certify the information is true and complete to the best of your knowledge and that you’re not shipping dangerous or prohibited goods.

Need Help?

Unsure about HS/HTS codes or form details? Email us at support@buypostage.com and we’ll walk you through it.

Helpful references: USITC HTS and Schedule B