This page contains Ad hoc SEC Releases implemented from 1 January 2016 up to and including 31 December 2016. These changes consist of both SEC documentation only and DCC System impacting changes arising from SEC Modification Proposals. A list of modifications implemented as an Ad hoc SEC Release in 2016 is outlined below:

Implementation date
31/12/2016
Modification Number Modification Name Stage Implementation Date Last Updated
SECMP0022Expanding SMKI PMA membership and removing Alternate restrictionsImplemented14/12/201606/02/2025
SECMP0020Removal of the confidential classification of the unique identifiers listed in SEC Schedule 5Implemented14/12/201613/02/2025
SECMP0017CGR Phase 3 outcomes: Code Administrator to chair modification Working GroupsImplemented17/08/201614/02/2025
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