end_date End Date (ALI Attribute)

Date on which the document stops being free-to-read or ends the given license, as defined in NISO RP-22-2021, NISO RP-22-2021, Access & License Indicators (2021 Revision).

Usage/Remarks

Best Practice

NISO RP-22-2021 recommends that the end date be given in the ISO-8601 format “YYYY-MM-DD”, without inclusion of a time or a time zone.
OPTIONAL on element: <ali:free_to_read>
Value Meaning
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.
Tagged Sample

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>
...