In generally the PLIDA certificate is intended for people whose mother language is not Italian, but also Italian citizens can be eligible to obtain the exam under certain circumstances (for work,study, ecc.)
The total exam score is expressed in 30 points for each test (Listening, Speaking, Writing, Reading). The certificate is immediately obtained with a minimum score of 18/30 on each of the four tests.
It is possible to keep the sufficient scores obtained for one year and try to pass the other tests in subsequent sessions during the same period of time.