http://www.legislation.gov.uk/ukpga/1975/65/section/21/enactedSex Discrimination Act 1975Equal payHealth and safety requirementsEmployment terms and conditionsTrade unionsHealth and safety investigationsKing's Printer of Acts of Parliament2019-10-10 Sex Discrimination Act 1975Blanket amendmentThe Treaty of Lisbon (Changes in Terminology) Order 2011art. 3 6art. 3(2)art. 3(3) 4(2) 6(4)(5)art. 2 PART II 21 1 The following shall be substituted for section 124(1) of the Mines and Quarries Act 1954 (which provides that no female shall be employed below ground at a mine)— 1 No female shall be employed in a job the duties of which ordinarily require the employee to spend a significant proportion of his time below ground at a mine which is being worked 2 Throughout the Coal Mines Regulation Act 1908, for " workman " or " man " there is substituted " worker ", and for "workmen" or "men" there is substituted " workers ". 1954 c. 70. 1908 c. 57.