Subsections (2) and (3) apply where—
The Authority must by notice to the certified person specify a period of time at the end of which the Authority will cease to treat that test as passed by virtue of that subsection.
The Authority may by notice to the certified person extend that period if the Authority thinks it necessary or expedient to do so.
In deciding whether to treat a test as passed by virtue of section 8H(7) or (9), and in determining any period or extension under subsection (2) or (3), the Authority—
The information and undertakings that may be taken into account under subsection (4)(b) include information and undertakings regarding any measures that have been or will be put in place to ensure the effective separation of the business of the applicant and the business of the relevant producer or supplier.