Identifies the deadline date for changes in technical status, i.e. the information module describes the materiel with the status it had at this date.
Date is given in the form YYYY-MM-DD, with dashes inbetween groups.
NUTOKEN
The official date of issue of the corresponding information module or information product module.
Date is given in the form YYYY-MM-DD, with dashes inbetween groups.
NUTOKEN