40Secondly, an economic transaction constitutes a single supply where one or more elements are to be regarded as constituting the principal supply, while, by contrast, other elements are to be regarded as one or more ancillary supplies which share the tax treatment of the principal supply (judgment of 2 July 2020, Blackrock Investment Management (UK), C‑231/19, EU:C:2020:513, paragraph 29 and the case-law cited).
Source: EUR-Lex, © European Union, 1998-2026. Reuse authorised under Decision 2011/833/EU.