CELEX:62021CC0001: Opinion of Advocate General Kokott delivered on 2 June 2022.#MC v Direktor na Direktsia „Obzhalvane i danachno-osiguritelna praktika“ Veliko Tarnovo pri Tsentralno upravlenie na Natsionalnata agentsia za prihodite.#Request for a preliminary ruling from the Administrativen sad Veliko Tarnovo.#Reference for a preliminary ruling – Value added tax (VAT) – Directive 2006/112/EC – Article 273 – Measures to ensure the correct collection of VAT – Article 325(1) TFEU – Obligation to counter illegal activities affecting the financial interests of the European Union – VAT debts of a taxable legal person – National legislation which provides for the joint and several liability of the non-taxable manager of the legal person – Transfers made in bad faith by the manager – Depletion of the legal person’s assets leading to insolvency – Failure to pay the amounts of VAT payable by the legal person within the prescribed time limits – Default interest – Proportionality.#Case C-1/21.