B374 declaration 2026

1. Click ‘Get Form’ to open the b374 declaration in the editor.
2. Begin with the 'Owner/Recipient Details' section. Enter your first name, last name (or organization), and address. Ensure you provide at least one contact number—phone, mobile, or email—to avoid delays.
3. Next, fill in the 'Sender/Supplier Details'. Provide the sender's first name, last name (or organization), and their contact information. If known, include their Customs Client ID.
4. In the 'Parcel(s) Information' section, input the mail reference number from your Australia Post notice. Specify the total number of parcels and their weight if known. Also, indicate the country of origin and date of export or invoice.
5. Proceed to 'Parcel(s) Contents'. Clearly describe each type of goods being declared along with their tariff classification and value. Be specific to prevent delays in processing.
6. Finally, complete the 'Declaration' section by confirming you are over 18 and that all information is accurate. If submitting via email, include your full name as required.

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