Hi Khairul Nizam Jasni! Your COE number can be found in your vehicle log card. To access your log card please follow these steps:

1) Log on to https://onemotoring.lta.gov.sg/content/onemotoring/home.html

2) Log in with your Singpass

3) After successfully logging in to [email protected], select 'Vehicle Hub' -> 'Enquire & print veh reg details' -> select the vehicle registration number of the required vehicle -> click Next and print the details accordingly.