5489.0 - International Merchandise Trade, Australia: Concepts, Sources and Methods, 2015  
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 11/11/2015   
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CORRESPONDENCES

5.4 Correspondences describe the relationship between different classifications or different versions of the same classification.

5.5 The most detailed international merchandise trade classifications used by the ABS are the Australian Harmonised Export Commodity Classification (AHECC) for exports and the Combined Australian Customs Tariff Nomenclature and Statistical Classification (Customs Tariff) for imports. To assist in the analysis of Australia's international merchandise trade statistics, the ABS maintains a series of correspondences at the most detailed level of the AHECC and Customs Tariff to the most detailed level of the other ABS classifications used to disseminate trade statistics.

5.6 When there are changes to a classification a correspondence showing the link between the new code and old code, or codes, is created. These correspondences are provided by the ABS to users of these classifications. See Appendix 6.1 in the 'Downloads' tab.

5.7 The relationships between items in the correspondences may be 'one to one', 'one to many', 'many to one' or 'many to many'. The example of 'fresh apples' has been used throughout the following sections to illustrate how international merchandise trade data may be classified and presented to suit the preferences of the user.

5.8 ABS correspondences are reviewed and updated to permit comparison of data over time.