Ugovora o funkcioniranju Europske unije, i nespojivi su s unutarnjim tržištem:
http://www.cenhd.ro/images/File/Situatii%20financiare/2013/Raportul%20administratorilor%20-%202013.pdf, s. 3.http://www.cenhd.ro/images/File/Situatii%20financiare/2014/Raportul%20administratorilor%20-%202014.pdf, s. 3.http://www.cenhd.ro/images/File/Situatii%20financiare/2015/Raportul%20administratorilor%20-%202015.pdf, s. 11.