The Turkish Competition Authority (“ Authority ”) has published its Nadirkitap decision in which it evaluated the allegation as to whether Nadirkitap Bilişim ve Reklamcılık AŞ (“ Nadirkitap ”), a company providing mediation services in the online sale of the second-hand books through its website named www.nadirkitap.com, violated Article 4 of the Law No. 4054 on the Protection of Competition (“ Law No. 4054 ”) by way of hindering the activities of the competitors by way of not providing the data sets of its seller members who wish to market their products through rival intermediary service providers (“ Investigation ”). Upon its investigation, the Competition Board (“ Board ”) decided to impose an administrative monetary fine on Nadirkitap.