The International Standard Audiovisual Number (ISAN) is a unique, permanent, and internationally-recognized number for audiovisual works, allowing for immediate and accurate identification.
ISAN provides a unique, internationally-recognized, and permanent reference number for each registered audiovisual work and distinguishes between episodes, versions, languages, lengths, formats, and more.
For more information, please visit the ISAN Canada website:
http://www.isan.ca/