Opinion of Advocate General Szpunar delivered on 3 September 2020.#BONVER WIN, a. s. v Ministerstvo financí ČR.#Request for a preliminary ruling from the Nejvyšší správní soud.#Reference for a preliminary ruling – Freedom to provide services – Restrictions – National legislation prohibiting the operation of gambling in certain places – Applicability of Article 56 TFEU – Existence of a cross-border element.#Case C-311/19.