NISO Circulation Interchange Protocol (NCIP)/ Z39.83

The NCIP standard/protocol is used primarily in the US and Canada, and is the standard that is used to exchange circulation information between systems such as self-service circulation, ILL systems, and other systems that need to pass/exchange data about item availability and other circulation type information.

 

http://www.ncip.info/

http://www.niso.org/workrooms/ncip