VersionClass

Number and date of the current version.

Major

The major version number ('1' in 1.2) as defined by the content creators.

Class: xs:nonNegativeInteger.

Minor

An optional minor version number ('2' in 1.2)

Class: xs:nonNegativeInteger.

Modifier

Unconstrained text specifying the status + optional number.

e.g. 'beta', 'alpha', 'rc/release candidate', 'internal'. If missing, release status is assumed.

Class: [NormalString] (https://github.com/tdwg/PlinianCore/wiki/NormalString)

DateIssued

Source for Dublin-Core standard element Date.Issued: Citable 'publication date' of the current version (comp. Revision_Data/Date_Created and Date_Modified for version- independent dates). This date should be missing if the current version is not yet published!.

Quick Reference: http://dublincore.org/documents/2012/06/14/dcmi-terms/?v=terms#terms-issued.

PreferredFlag

TRUE to indicate current version when providers serve more than one record per taxon.

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Legend:

Image	Description
	Complex Type
	Sequence structure
	Choice structure
	Obligatory element
	Optional element
	minOccurs=0 maxOccurs=unbounded
	minOccurs=1 maxOccurs=unbounded