SEC version 137.0 came into effect today, 25 June 2026, to implement the June 2026 SEC Release. This Release includes one modification and contains legal text changes only.
The following modification was in scope for the June 2026 SEC Release:
The following sections were affected by the June 2026 SEC Release:
The following SEC Parties are impacted by the June 2026 SEC Release:
  • Large Suppliers
  • Small Suppliers
  • DCC
  • Electricity Network Parties
  • Gas Network Parties
  • DCC Other Users
Where can I access the Business Continuity and Disaster Recovery (BCDR) Testing Approach Document?
The BCDR Testing Approach Document is held on the DCC website and can also be accessed on the SEC website.
Where can I access the legal text for the June 2026 SEC Release?
Full marked-up versions of all impacted documents can be downloaded.
You can download clean versions of the individual SEC documents from the SEC and Supporting Documents section of our website or via CodeWorks.
If you do not have access to Codeworks, please visit Getting access to CodeWorks on the SEC website.
Our SEC Document Log lists the versions of each SEC document now in effect following this release.
Where can I find further information about the June 2026 SEC Release?
If you have any questions, please email SEC.Change@talan.com or call the SEC Helpdesk at 0120 200 6600.
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