PLIDA, or Progetto Lingua Italiana Dante Alighieri (Dante Alighieri Society Diplomas), are language diplomas issued by Dante Alighieri Society certifying the holder's proficiency in Italian language as a foreign language. The diplomas could only be obtained after passing a standardised language test. The Rome Branch of the Dante Alighieri Society the official center of examination for the issuing of PLIDA Certification.[1]