From Year of Assessment (YA) 2012, qualifying companies may use Form C-S, instead of Form C, to report their income.
To download Form C-S, please click on the relevant YA below:
YA 2013 (144KB)
Changes to Form C-S 2013 (32KB)
YA 2012 (146KB)
Explanatory Notes to Form C-S:
YA 2013 (124KB)
YA 2012 (112KB)
If your company was dormant and had previously been granted a waiver of filing the Income Tax Return, but has now re-commenced business or is now receiving income, please complete and submit the Request for Income Tax Return Form (51KB) by post or by fax at 6351 4360.
Document Identification Number (DIN)
DIN is to be entered in the DIN worksheet of the Form C-S which you have downloaded. When you enter the DIN, it will be automatically populated on page 1 of the Form C-S.
You can obtain DIN from the:
- “View DIN” e-Service; or
- Bottom right hand corner on Page 1 of the original Form C*/ Form C-S sent to your company.
If DIN is not available, please call Corporate Tax Helpline on 1800-356 8622.
*If the company meets the conditions for filing Form C-S, you can download the Form C-S. The DIN is the same whether you use Form C or Form C-S.
Basic Corporate Tax Calculator
The Basic Corporate Tax Calculator is designed for trading companies and it comes with commonly used schedules such as the capital allowance schedule. You can use it to prepare your company’s tax computation and work out the tax payable before completing Form C-S.