ipc-version-indicator 

Positions 20 to 27: Version indicator
Although in the paper publications a version indicator may contain 
four or six digits, the version indicator in machinereadable
records contains eight digits, namely YYYYMMDD with Y for year, M for month and D for day.

Element Information

Model

date
Children: date

Source 

<xs:element name="ipc-version-indicator" type="ipc-version-indicatorType">
  <xs:annotation>
    <xs:documentation>Positions 20 to 27: Version indicator Although in the paper publications a version indicator may contain four or six digits, the version indicator in machinereadable records contains eight digits, namely YYYYMMDD with Y for year, M for month and D for day.</xs:documentation>
  </xs:annotation>
</xs:element>

Sample