Various types of such exams exist per many languages—some are organized at an international level even through national authoritative organizations, while others simply for specific limited business or study orientation.
(STBFL) (Стандартизиран тест по български език като чужд език (СТБЕЧ)) The YKI system for National certificates of language proficiency is the Finnish government's official system for language proficiency testing.
A YKI certificate can be used for many purposes, such as:applying for a job or a university, applying for Finnish citizenship (certificates in Finnish and Swedish), or demonstrating your language skills for an employer.
DSD II, DSH, and TestDaF are accepted by any university in Germany.
According to the Ministero degli Esteri (Italian Foreign Affairs), there are four officials Italian certifications approved CLIQ (Certificato di Lingua Italiana di Qualità): CILS, CELI, PLIDA and .IT ROMA TRE