ISO ILL: The international standard for interlibrary loan
ISO ILL interactions and OCLC
OCLC's ILL system supports the full range of required messages. Libraries can choose to interact with OCLC ILL using the ISO ILL protocol as borrowers, as lenders or as both. To begin using an ISO ILL system with OCLC ILL you need to purchase or build an ISO ILL compliant system that is able to interact with OCLC ILL.
OCLC supports the IPIC profile.