Eligibility for payment
2.
(a)a person so employed by the Board, by one of their subsidiaries, or by a small mine licensee—
(i)in a grade which renders him eligible for membership of the Mine-workers' Pension Scheme; or
(ii)in a grade which is specified in Appendix 2; or
2.
(b)a person so employed as a workmen's employee,
shall, subject as hereinafter provided, and provided he is not eligible for payments under any of the former Schemes, be eligible for payments under this Scheme; such a person is hereafter referred to as a “coal industry employee”.