Case C-640/23, Greentech: Judgment of the Court (Sixth Chamber) of 13 March 2025 (request for a preliminary ruling from the Înalta Curte de Casaţie şi Justiţie – Romania) – Direcţia Generală Regională a Finanţelor Publice Galaţi – Administraţia Judeţeană a Finanţelor Publice Vrancea, Direcţia Generală de Administrare a Marilor Contribuabili v Greentech SA (Reference for a preliminary ruling – Common system of value added tax – Directive 2006/112/EC – Right to deduct value added tax (VAT) – Sales transaction reclassified by the tax authorities as a transfer of an undertaking falling outside the scope of VAT – Failure to correct the invoice within the limitation period – Impossibility of recovering the VAT paid in respect of that transaction – Principles of effectiveness and fiscal neutrality – Reimbursement of the tax)