PCA RDL Platform
One Platform. Many Possibilities.
The PCA RDL Platform helps you explore, consume, evolve, govern and trust reference data — all in one place.
The platform is your foundation for dynamic, trusted, and industry-aligned RDL’s. Built for change, it enables the RDL’s to evolve through open collaboration and structured governance — helping the industry stay ahead, not just keep up.

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We’ve already added several important reference data libraries to the platform — including CFIHOS 2.0, CFIHOS+, IDO (ISO 23726-3), and IMF Types.
Services available on PCA RDL Platform
Other libraries
Some of our content is still available through our older services. As we continue our development, content still in use will be migrated to our new platform to provide continued support for our users.
PCA RDL (legacy platform)
Built on ISO 15926-2 and -4, this older library is still available for those using its structure. Search or query the full library.
IDO & PLM
IDO is an upper ontology designed for cross-domain data alignment and part of the upcoming ISO 23726 standard. It will soon be hosted on our new platform, without impacting its namespace.
The PLM ontologies serve as an example of how IDO can be used.
Can’t find what you’re looking for?
It might be in the processes of decommissioning. Please contact us at support@posccaesar.org if you need assistance in usage or locating a specific service.