6.—(1) The grievance procedures apply, in accordance with the paragraphs (2) to (7) of this regulation, in relation to any grievance about action by the employer that could form the basis of a complaint by an employee to an employment tribunal under a jurisdiction listed in Schedule 3 or 4, or could do so if the action took place.
(2) Subject to paragraphs (3) to (7), the standard grievance procedure applies in relation to any such grievance.
(3) Subject to paragraphs (4) to (7), the modified grievance procedure applies in relation to a grievance where—
(a)the employee has ceased to be employed by the employer;
(b)the employer—
(i)was unaware of the grievance before the employment ceased, or
(ii)was so aware but the standard grievance procedure was not commenced or was not completed before the last day of the employee’s employment; and
(c)the parties have agreed in writing in relation to the grievance, whether before, on or after that day, but after the employer became aware of the grievance, that the modified procedure should apply.
(4) Neither of the grievance procedures applies where—
(a)the employee has ceased to be employed by the employer;
(b)neither procedure has been commenced; and
(c)since the employee ceased to be employed it has ceased to be reasonably practicable for him to comply with paragraph 6 or 9 of Schedule 2.
(5) Neither of the grievance procedures applies where the grievance is that the employer has dismissed or is contemplating dismissing the employee.
(6) Neither of the grievance procedures applies where the grievance is that the employer has taken or is contemplating taking relevant disciplinary action against the employee unless one of the reasons for the grievance is a reason mentioned in regulation 7(1).
(7) Neither of the grievance procedures applies where regulation 11(1) applies.