Case C-825/19: Judgment of the Court (Fourth Chamber) of 21 October 2021 (request for a preliminary ruling from the Thüringer Finanzgericht — Germany) — Beeren-, Wild-, Feinfrucht GmbH v Hauptzollamt Erfurt (Reference for a preliminary ruling — Customs union — End-use procedure — Authorisation with retroactive effect — Regulation (EU) No 952/2013 — Union Customs Code — Article 211(2) — Scope ratione temporis — Conditions — Regulation (EEC) No 2454/93 — Article 294(2) — Scope)