ECJ refers in his 2020 annual report to 4 ECJ VAT cases

1. KrakVet Marek Batko (C-276/18): Place of taxable transactions – Supply of goods with transport
2. E. (VAT – Reduction of the taxable amount) (C-335/19): Taxable amount for VAT
3. BAKATI PLUS (C-656/19): Exemptions on exportation
4. Agrobet CZ (C-446/18): Rules governing the exercise of the right to deduct VAT

See also ECJ: The year in review (2020) – Annual report of the Court of Justice of the European Union