Case C-542/21: Judgment of the Court (Eighth Chamber) of 20 October 2022 (request for a preliminary ruling from the Augstākā tiesa (Senāts) — Latvia) — ‘Mikrotīkls’ SIA v Valsts ieņēmumu dienests (Reference for a preliminary ruling — Customs union — Common Customs Tariff — Combined Nomenclature — Tariff classification — Heading 8517 — Subheadings 8517 70 11 and 8517 70 19 — Router aerials)