A person who, for any period on or after the relevant date, holds a licence under section 7 and carries out transmission of gas must ensure that the person is certified by the Authority under section 8F throughout that period.
A person who, for any period on or after the relevant date, holds a licence under section 7ZA and participates in the operation of a gas interconnector must ensure that the person is certified by the Authority under section 8F throughout that period.
In subsections (1) and (2) the "relevant date" in respect of a person is 3 March 2012 or any later date before 4 March 2013 which the Authority specifies under subsection (4) or (5) in respect of the person.
The Authority may specify a later date in respect of a person if—
The Authority may also specify a later date in respect of a person if the Authority thinks that, for reasons beyond its and the person's control, the Authority will not reasonably be able to make a final decision before 3 March 2012 as to whether to certify the person.
In this section—