commercial_value	Whether the item has commercial value (i.e. the goods are for resale). This is generated by the merchant and will be shown on the customers form and label.	Mandatory for Int'l	Boolean - true or false
export_declaration_number	Export declaration number (EDN), generated by the merchant. This field is mandatory for item contents worth more than AUD$2000.	Optional (See Desc.)	String	9 to 12
description_of_other	Description of the goods. This is mandatory if classification_type is "OTHER".	See Desc.	String	40
non_delivery_action	Your desired action if the delivery cannot be completed. You can specify "RETURN" or "ABANDONED". The default if not specified is to return the item by the most economical route or by air.	Optional	String
certificate_number	If you are supplying certificates with your customs forms, you can include the certificate numbers in this field.	Optional	String	35
licence_number	If you are supplying licence information with your customs forms, you can include the licence numbers in this field.	Optional	String	35
invoice_number	Use this field to include an invoice number on the label.	Optional	String	35
comments	Use this field to include any additional comments on the label.	Optional	String	120
item_contents	An item_contents element describes part of the contents of the item. You can specify up to 20 elements in this array.	Mandatory for Int'l	Array	20
description	Description of the contents. This description is validated against a defined list of keywords, to determine whether the item can be carried by Australia Post and/or the item is prohibited in the destination country.	Mandatory	String	40
quantity	The quantity of this described content.	Mandatory	Integer
weight	The weight in kilograms of this described content. If you provide a weight for one item_contents element, you must provide weights for all item_contents elements.	See Desc.	Decimal	N.3
value	The value in Australian Dollars of this described content.	Mandatory	Decimal	4.2
tariff_code	The Harmonised Tariff number that indicates the type of this described content. It is only mandatory if commercial_value is "true", otherwise it is optional. However, it is a recommended field to expedite the customs process in the receiving country.	See Desc.	String	6 to 12
country_of_origin	The country in which this described content was manufactured. It is only mandatory if commercial_value is "true", otherwise it is optional.	See Desc.	String	2
authority_to_leave	Whether the item can be left in a safe place on delivery without receiving a signature. This is optional for domestic shipments, but must not be specified for international shipments.	See Desc.	Boolean