The Registration Data Interface Specification (REGIS) concerns the interface between DCC and Registration Data Providers. The interface enables suitably authorised organisations to exchange Registration Data with the DCC in order that it can be used for Smart Metering Systems' access control and billing purposes.
For the latest version of the Registration Data Interface Specification (REGIS), please visit the SECAS website and select "SEC Appendix X - Registration Data Interface Specification" from the SEC Subsidiary Document section.