3. A coal industry employee shall not be eligible for payments under Article 5 unless—
(a)he is a redundant person and, in the case of an employee employed at a prescribed place, became a redundant person by reason of the cessation or reduction of the services or facilities at that place, being services or facilities ancillary to one or more coal mines, in consequence of the closure of one or more of such mines or the reduction in the number of persons employed thereat;
(b)when he became a redundant person the relevant date fell between 25th March 1978 and 29th March 1981; and
(c)on the relevant date he had attained the age of 55 and had not attained the age of 65 in the case of a man or 60 in the case of a woman.