"No claim in respect of the operation of an equality clause relating to a woman's employment shall be referred to an industrial tribunal … if she has not been employed in the employment within the six months proceeding the date of the reference."
"If the terms of a contract under which a woman is employed … do not include … an equality clause they shall be deemed to include one."
"Section 2(4), as amended, refers to a claim in respect of the operation of "an equality clause relating to a woman's employment"