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Last SERF Revision Date


The <Last_SERF_Revision_Date> specifies the date the metadata record was revised.  The <Last_SERF_Revision_Date> is automatically populated through the authoring tool with the date the metadata entry was modified, however, the author may change the date.


</Last_SERF_Revision_Date >

Year, month and day must follow the International Standard ISO 8601 in the
form: yyyy-mm-dd, where:

yyyy= the 4 digit year
mm= the 2-digit month (01-12)
dd = the 2-digit day (01-31)
  • The <Last_SERF_Revision_Date> is recommended and may not be repeated.



This document should be cited as:
Service Entry Resource Format (SERF) Writer's Guide, 2018.
Global Change Master Directory.
National Aeronautics and Space Administration.



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