60According to settled case-law, under that provision, by virtue of the very nature of regulations and of their function in the system of sources of EU law, the provisions of regulations generally have immediate effect in the national legal systems without its being necessary for the national authorities to adopt measures of application (judgment of 15 June 2021, Facebook Ireland and Others, C‑645/19, EU:C:2021:483, paragraph 110 and the case-law cited).
Source: EUR-Lex, © European Union, 1998-2026. Reuse authorised under Decision 2011/833/EU.