635 - INDUSTRIAL RELATIONS LAW BULLETIN - Transfer of undertakings - University of Oxford v Humphreys and another - Employees who object to becoming employed by the transferee of the undertaking in which they work, because this results, or would result, in a substantial change in their working conditions to their detriment, may resign and sue the transferor employer, but not the transferee, for wrongful constructive dismissal, holds the Court of Appeal.