This section applies in relation to any period for which a person—
holds a licence under section 7 or 7ZA; and
is certified.
If the person is certified on the first, second, ... fifth or sixth certification ground in section 8G, the person is designated as a gas transmission system operator for the purposes of the Gas Regulation.
If the person is certified on the third certification ground in section 8G, the independent system operator nominated in the application for certification is designated as a gas transmission system operator for the purposes of the Gas Regulation.
As soon as is reasonably practicable after a person is designated by virtue of this section, the Authority must notify the designation to—
the person designated; and
the Secretary of State; ...
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