15.—(1) Each relevant employer who carries out a consultation must make such arrangements with respect to the persons to be consulted as appear to him to secure that, so far as is reasonably practicable, the consultation covers all affected members.
(2) In the course of consultation, the relevant employer and any person consulted are under a duty to work in a spirit of co-operation, taking into account the interests of both sides.
(3) At the start of any consultation required by these Regulations, the relevant employer must notify the persons to be consulted of any date set for the end of the consultation or for the submission of written comments.
(4) An appropriate period must be allowed for carrying out the consultation which in any event must not be less than 60 days.
(5) If no responses to the consultation are received before the end of the period allowed for the consultation in accordance with paragraphs (3) and (4), the consultation is to be regarded as complete.