Artikel 53, stk. 1, i EØS-aftalen (ordlyden af artikel 53, 54 og 56 i EØS-aftalen er gengivet i bilag I) forbyder konkurrencebegrænsende aftaler, vedtagelser og samordnet praksis, der kan påvirke handelen mellem EF og en eller flere EFTA-stater (eller mellem EFTA-stater).
Article 53 (1) of the EEA Agreement (the text of Articles 53, 54 and 56 of the EEA Agreement is reproduced in Annex I) prohibits restrictive agreements, decisions or concerted practices (arrangements) which may affect trade between the Community and one or more EFTA States (or between EFTA' States), and Article 53 (2) declares agreements or decisions containing such restrictions void; Article 53 (3), however, provides for exemption of arrangements with beneficial effects, if its conditions are Tuet.