не совсем так, на сертификате есть код центра принимающего

на страничке по фаст треку написано https://www.gov.cy/moi/en/documents/acquisition-of-cypriot-citizenship-by-naturalization-due-to-years-of-residence-form-m127/

Proof for (d) A Certificate of Success in a Greek language   at the B1 level as defined in the Common European Framework of Reference for Languages of the Council of Europe. This certificate can be obtained after the Greek Language Certification Examinations conducted by the Greek Language Centre of the Hellenic Republic through the Examination Service of the Directorate of Higher Education of the Ministry of Education, Sports, and Youth or a certificate from the School of Modern Greek of the University of Cyprus.

35703 - Υπηρεσία Εξετάσεων Διεύθυνσης Ανώτερης ΕκπαίδευσηςΥπουργείου Παιδείας, Αθλητισµού και Νεολαίας Κυπριακής Δηµοκρατίας - это и есть Examination Service of the Directorate of Higher Education of the Ministry of Education, Sports, and Youth

Дальше на свой страх и риск

выше писал же, указан код центра через который выдан сертификат. Ответ - да, указан