Frequently Asked Questions

Listed below are answers to some of the most common queries about UDC. If you have any further questions, please contact us.

Displaying 1-6 of 6 results.

Category	Question
Publishing and distributing UDC	Can I publish the Multilingual UDC Summary?
Publishing and distributing UDC	Can I publish UDC schedules?
UDC Editions	How can I access the complete, latest version of the UDC scheme?
UDC Licences	Do I need a licence to use UDC?
UDC Master Reference File	What is the Master Reference File (MRF)?
UDC Revision	What is the procedure for introducing changes in UDC?