Checking Form C-S/ C Submission and Assessment Status

You can check the status of your company's Corporate Income Tax Return (Form C-S/ C) and tax assessment via or the Corporate Tax Integrated Phone Service. These services are available 24 hours daily.

Before Checking Assessment Status

Prepare the following information:

  1. Your company's tax reference number; and
  2. The Year(s) of Assessment for which you are checking the assessment status.

Checking Assessment Status Using

  1. Log in to
  2. Select View Corporate Tax Filing Status to check the status of your assessment.

Checking Assessment Status Using Our Phone Service

  1. Call us on 1800 356 8622 (8 a.m. - 5 p.m., Mon to Fri)
  2. Choose Option "1".

For more details, please refer to our Integrated Phone Services.