Educational Authority Accreditaton Centre for Foreign Language Examinations H-1054 Budapest, Báthory u. 10. Telephone: +36 (1) 374-2133 +36 (1) 374-2132 Fax: +36 (1) 374-2497 E-mail: info@nyak.hu Issue of certificate of equivalence Information on the procedure of issuing certificates of equivalence of A (oral) and B (written) language exams to C (complex) examinations » Complex type C certificates of economic technical purposes exams » Exam Systems »