If a driving licence holder has any driving entitlement(s) obtained through "direct issue" mechanism pursuant to regulation 11(3) of Road Traffic (Driving Licences) Regulations (Cap. 374B), regardless of whether it is a physical or electronic driving licence, the reference number of the driving licence issued/renewed would begin with a prefix "DI", and a "*" symbol will be marked next to the driving entitlement(s) obtained through "direct issue" mechanism (applicable to licences issued/renewed from 15 September 2025 onwards). If necessary, licence holder may submit written application to the Transport Department for issuing a letter certificating his driving entitlement(s) obtained through "direct issue" mechanism or completion of driving test(s).