Section 26 of the Principal Act is amended
(a) in subsection (1)(a), by the substitution of "with the employer with whom she or he was working immediately before the start of that period or, where during the employee's absence from work there was a change of ownership of the undertaking in which she or he was employed immediately before her or his absence" for "with the employer with whom she was working immediately before the start of that period or, where during the employee's absence from work there was a change of ownership of the undertaking in which she was employed immediately before her absence",
(b) in subsection (1)(c), by the substitution of "and (in either case) under terms or conditions
(i) not less favourable than those that would have been applicable to the employee, and
(ii) that incorporate any improvement to the terms or conditions of employment to which the employee would have been entitled,
if she or he had not been so absent from work" for "and (in either case) und
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