Fernández-Costales Muñiz J. Substantial Modifications of Working Conditions and Transfer of Undertakings: On the Choice of the Appropriate Procedural Route for Bringing a Claim: Commentary on Supreme Court Ruling 681/2026 of 21 July. RTSS [Internet]. 2026 Nov. 6 [cited 2026 Nov. 9];(495). Available from: https://revistas.cef.udima.es/index.php/rtss/article/view/169-178