Judgment of the Court (Eighth Chamber) of 7 May 2020.#VO v Bezirkshauptmannschaft Tulln.#Request for a preliminary ruling from the Landesverwaltungsgericht Niederösterreich.#Reference for a preliminary ruling – Road transport – Working days and rest days – Digital tachographs – Regulation (EU) No 165/2014 – Working days not recorded on a driver card and no record sheets kept – National legislation requiring the driver to present an attestation from his employer in such circumstances – Validity of the form annexed to Decision 2009/959/EU.#Case C-96/19.