Date on which the document stops being free-to-read or ends the given license, as defined in NISO RP-22-2015, Access License and Indicators.
Best Practice: NISO RP-22-2015 recommends that the end date be given in the ISO-8601 format “YYYY-MM-DD”, without inclusion of a time or a time zone.
Used on Element: <ali:free_to_read>
|Text, numbers, or special characters||The ISO 8601 date on which the document stops being free-to-read. If this attribute is not used, it indicates that the document is permanently free-to-read.|
|Restriction||@end_date is an optional attribute; there is no default.|
Free-to-read flag with both start and end dates. After the end date, the document will no longer be free to read.
... <permissions> <ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2014-01-01" end_date="2014-12-31"/> </permissions> ...