Tips on e-Filing for Dormant Company

Before you use the File Form C-S/ C for Dormant Company e-Service to complete and e-File for dormant company, please do the following:

1. Ensure that you have been duly authorised by the company as an "Approver" for “Corporate Tax (Filing and Applications)” in CorpPass.
2. Ensure that you have the company's tax reference number, your CorpPass ID and CorpPass password.

3. Set aside at least 5 minutes to complete this electronic tax return.

Step 1: Ensure that you have been authorised as an "Approver"

The company will need to authorise you as an "Approver" for “Corporate Tax (Filing and Applications)" in CorpPass before you can e-File. For assistance on CorpPass setup, please refer to the relevant Step-by-Step Guides. 

Step 2: Log in to myTax Portal

1. Log in to mytax.iras.gov.sg
2. (i) If you are logging in as a staff of the company:
   

   • Select Business Tax Matters; and

   • Key in your company's Tax Reference Number, followed by your CorpPass ID and CorpPass password.

   (i) If you are logging in as a tax agent of the company:
   

   • Select Client Tax Matters; and

   • Key in your tax agent firm's Tax Reference Number, followed by your CorpPass ID and CorpPass password.

Step 3: Submit the Completed Form Online

1. Click on Corporate Tax and select File Form C-S/ C.
2. Select the Year of Assessment you are filing, followed by Form for Dormant Company to begin completing the Form.
3. Click on Confirmation Page to verify that the information declared is correct. Thereafter, complete the Declaration and fill in Details of Filer & Contact Person.
4. Click on Submit.
5. You will receive an instant acknowledgement upon successful filing.

Filing Deadline

The annual filing deadline is 15 Dec for YA 2020 and 30 Nov from YA 2021 onwards.

Online Help

Please click on the iHelp icon <   > should you require on-the-spot guidance as you e-File the Form for Dormant Company.

Timeout 

Please do not leave your filing session idle for more than 20 minutes. Otherwise, the session will expire and you will be required to log in to the portal again. 

Acknowledgement of Successful e-Filing

Upon successful e-Filing, you will receive an instant acknowledgement of receipt. The same acknowledgement will also be available at mytax.iras.gov.sg under the View Corporate Tax Notices e-Service.

User Guides

Detailed User Guides for:

• company (PDF, 1.06MB)
• tax agent (PDF, 1.08MB) 

Frequently Asked Questions (FAQs)

For more details on e-Filing for dormant company, please refer to our FAQs (PDF, 681KB). 

Please contact us if you need assistance or clarification on e-Filing for dormant company:

•  Email us via myTax Mail
• IRAS Corporate Tax Helpline: 1800-356 8622 (8 a.m. to 5 p.m. from Mon to Fri)