(a) an employee exercises a right to return to work under Part III of the 1978 Act (maternity), and
(b) because amendments of that Part made by the Trade Union Reform and Employment Rights Act 1993 (in this paragraph referred to as "the 1993 Act") do not have effect in her case, her right is a right to return to work in the job in which she was employed under the original contract of employment,
the preceding provisions of this Schedule shall have effect subject to the modifications in sub-paragraphs (2) and (3) below.
(3) In paragraph 2(7), for paragraph (b) there shall be substituted—
(b) under her original contract of employment, she was a bar worker and was not employed to work only on Sunday during the previously restricted hours.
(4) In this paragraph and in paragraphs 1 and 2 above as modified by sub-paragraphs (2) and (3) above, "original contract of employment" has the meaning given by section 153(1) of the 1978 Act as originally enacted.