Case C-87/20: Judgment of the Court (Seventh Chamber) of 12 May 2021 (request for a preliminary ruling from the Bundesfinanzhof — Germany) — Hauptzollamt B v XY (Reference for a preliminary ruling — Protection of species of wild fauna and flora by regulating trade therein — Regulations (EC) No 338/97 and (EC) No 865/2006 — Sturgeon caviar — Introduction into the customs territory of to the European Union for personal and household effects — Import permit — Derogation — Limit of 125 grams per person — Exceeded — Intention to give as a gift to a third party)