Classification Database will be undergoing scheduled maintenance on 11 Jan 2018 8.30PM to 12:00AM and will not be available during this period. We apologise for the inconvenience caused.

Services requiring CorpPass authentication would not be available for the below mentioned dates due to maintenance. We apologise for any inconvenience caused.
06 Jan 2018 10 PM to 07 Jan 2018 10 AM
14 Jan 2018 12 AM to 14 Jan 2018 08 AM
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If your company does not have CorpPass, you may sign up at Please note that upon signing in with CorpPass, your company will not be able to use SingPass for this e-service subsequently.