What do the Kit Reporting selection options in Intrastat Country Characteristics mean?

Summary:

In the Country Characteristics of Intrastat there is a choice with respect to Kit Reporting. One can choose between 'Child items' and 'Kit Items'. I did not find any documentation on this option explaining the functioning of these 2 choices. For example I choose for 'Child Items' and created a transaction of a kit item composed of different items and Intrastat is still reporting it as one item. So I have the impression the Item configuration also plays a role in the usage of this function. Can someone explain or point me to the right documentation?

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