A Certificate of No Criminal Conviction (also known as CNCC) is issued strictly for immigration-related purposes.
The Consulate is not authorized to issue such certificates. The issuing authority is:
Head, Criminal Records Office
Criminal Investigation Department (CNCC)
391 New Bridge Road
Blk C Police Cantonment Complex
Applicants who are overseas may apply by correspondence. The application form can be obtained at the Consulate-General or downloaded from the Ministry of Foreign Affairs' Consular Homepage.