start_date

Start Date

Date on which the document starts being free-to-read or begins the given license, as defined in NISO RP-22-2015, Access License and Indicators.

Remarks

Best Practice: NISO RP-22-2015 recommends that the start date be given in the ISO-8601 format “YYYY-MM-DD”, without inclusion of a time or a time zone.

Used on Elements: <ali:free_to_read>, <ali:license_ref>

ValueMeaning
Text, numbers, or special charactersThe ISO 8601 date on which the document starts being free-to-read or begins the given license.
Restriction@start_date is an optional attribute; there is no default.

Example 1

Free-to-read flag with both start and end dates. After the end date, the document will have different, non-free licensing arrangements:
  ...
<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>...

Example 2

An example of licensing and usage rights changing over time. The content is under a proprietary license at first (initial publication) and then under a CC BY license a year later:
  ...
<permissions>
<license>
<ali:license_ref 
  start_date="2014-02-03" 
  xmlns:ali="http://www.niso.org/schemas/ali/1.0/">
http://www.psychoceramics.org/license_v1.html</ali:license_ref>
<ali:license_ref
  start_date="2015-02-03" 
  xmlns:ali="http://www.niso.org/schemas/ali/1.0/">
http://creativecommons.org/licenses/by/3.0/</ali:license_ref>
</license>
</permissions>...

Book Interchange Tag Suite (BITS) Version 2.0 Tag Library

Version of February 2016

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