A 128 bit unsigned , uniquely identifying this .

Different versions of a reference set member share the same but have different . This allows a reference set member to be modified or made (i.e. removed from the active set) at a specified time.

The inclusive date or time at which this version of the identified became the current version.

Note: In distribution files the effectiveTime should follow the short ISO date format (YYYYMMDD) and should not include the hours, minutes, seconds or timezone indicator.

The current version of this at time T is the version with the most recent prior to or equal to time T .

The state of the identified as at the specified .

If = 1 (true) the is part of the current version of the set, if = 0 (false) the is not part of the current version of the set.

Identifies the that contains this as at the specified .

The value must be a of within the metadata .

Identifies the to which this belongs.

A reference to the to be included in the .