Zvaničnici u Sofiji i Bukureštu kritiziraju pokušaje starijih država-članica EU da prijem njihovih zemalja u zonu bez granica uslove novim političkim zahtjevima koji nisu uključeni u šengensko pravno naslijeđe.
Officials in Sofia and Bucharest have criticised older EU member states' attempts to make their countries' admission into the border-free area conditional on new political requirements, not included in the Schengen acquis.