Order of the Court (Sixth Chamber) of 19 December 2019.#EX and Others v Bezirkshauptmannschaft Hartberg-Fürstenfeld.#Requests for a preliminary ruling from the Landesverwaltungsgericht Steiermark.#Reference for a preliminary ruling — Article 53(2) and Article 99 of the Rules of Procedure of the Court of Justice — Freedom to provide services — Posting of workers — Article 56 TFEU — Directive 2014/67/EU — Articles 9 and 20 — Reporting of workers — Retention of records of wages — Penalties — Proportionality — Fines of a predefined minimum amount — Cumulative — No upper limit — Court fees — Manifest inadmissibility.#Joined Cases C-140/19, C-141/19 and C-492/19 to C-494/19.