Case C-277/14: Judgment of the Court (Fifth Chamber) of 22 October 2015 (request for a preliminary ruling from the Naczelny Sąd Administracyjny — Poland) — PPUH Stehcemp sp. j. Florian Stefanek, Janina Stefanek, Jarosław Stefanek v Dyrektor Izby Skarbowej w Łodzi (Reference for a preliminary ruling — Taxation — Value added tax — Sixth Directive — Right of deduction — Refusal — Sale by an entity regarded as non-existent)