(1)In making any determination of a description mentioned in subsection (2), a traffic commissioner shall have regard to such considerations as may be prescribed as relevant to determinations of that description.
(2)The determinations referred to are—
(a)any determination with respect to the suitability of any place on environmental grounds for use as an operating centre of the holder of an operator’s licence;
(b)any determination with respect to attaching to an operator’s licence any condition such as is mentioned in section 23 or varying or removing any such condition attached to an operator’s licence; and
(c)any determination with respect to the effect on environmental conditions in any locality of the use in any particular manner of any operating centre of the holder of an operator’s licence.
(3)In making any such determination for the purposes of exercising—
(a)any of his functions in relation to an application for, or for the variation of, an operator’s licence, or
(b)any of his functions under sections 30 to 32,
a traffic commissioner may take into account any undertakings given by the applicant or licence-holder (or procured by him to be given) for the purposes of the application or the review under sections 30 to 32, and may assume that those undertakings will be fulfilled.
(4)In making for those purposes a determination of a description mentioned in subsection (2)(a) or (c), a traffic commissioner may take into account any conditions such as are mentioned in section 23 that could be attached to the licence in question, and may assume that any conditions so attached will not be contravened.
(5)Where a traffic commissioner—
(a)grants an application for, or for the variation of, an operator’s licence, or
(b)having served notice under section 30 in respect of any place specified in such a licence, exercises or determines not to exercise any of his powers under sections 31 and 32 in relation to that place,
any undertakings taken into account by the commissioner under subsection (3) that he considers to be material to the application or (as the case may be) to his decision under sections 31 and 32 shall be recorded in the licence in question.