maintenance
This element is found at these locations (XPath):
eml:eml/dataset/maintenance
The dataset/maintenance/description element should be used to document changes to the data tables or metadata, including update frequency. The change history can also be used to describe alterations in static documents. The description element (TextType) can contain both formatted and unformatted text blocks.
Example 16: maintenance
<maintenance>
<description>
<para>
Data are updated annually at the end of the calendar year.</para>
</description>
</maintenance>