3. In Article 71 (complaints to industrial tribunals)—
(a)in paragraph (1) for “69 or 70” substitute “69, 70 or 70A”; and
(b)at the end add—
“(5) In this Article and Article 72 any reference to the employer includes, where a person complains that he has been subjected to a detriment in contravention of Article 70A, the principal (within the meaning of Article 91A(3)).”.