This field is optional.
|Field Name||Valid Date|
|Definition||Date (often a range) of validity of a resource.|
Use when access to a digital resource is of a limited duration (as in electronic course reserves) or embargoed (as for a chapter of a dissertation that will be published).
Follow W3C-DTF standard (ISO 8601) of YYYY-MM-DD.
Use only as much of the date as is known.
Use a question mark to show a date is approximate or a circa date.
Use dashes to indicate uncertainty within a decade or a century.
Do not use "Unknown"--just leave the field blank.For a range of dates, put a dash in between dates.
2006-08-21 - 2006-12-122007-01-01
|Template||Yes. If all items in a collection have the same valid dates, use the Template Creator to input the data once for all records.|
|Nickname||N/a (don’t yet have any in the system)|