(1) An adopting parent ('the employee') who is absent from work while on adoptive leave or additional adoptive leave shall be entitled to return to work -

(a) either -

(i) with the employer with whom the employee was working immediately before the absence, or

(ii) if during the absence there was a change of ownership of the undertaking in which the employee was employed immediately before the absence, with the owner (in this Act referred to as 'the successor') of the undertaking when the absence ended,

(b) in the job which the employee held immediately before the absence began, and