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For companies

Important Dates Tax forms e-Tax Guides e-Services
e-File the company's ECI at myTax Portal for instant acknowledgement. You can also enjoy up to 10 monthly payment instalments. More information in How to file.

Most Frequently Asked Questions

Filing Estimated Chargeable Income (ECI) Filing Income Tax Form
(Form C/ Form C-S)
Preparing tax computation After getting Notice of Assessment (NOA)

What is ECI/ Who needs to file 

When to file/ What if I don't file 

How to file 

How to revise ECI amount 

How to pay

Tips for SMEs on Form C/ Form C-S Filing

Filing Form C-S (Simplified Tax Filing for Small Companies)

What is Form C/ Form C-S and Who needs to file 

How to obtain Form C/ Form C-S 

What documents need to be prepared and filed with Form C/ Form C-S 

When to file Form C/ Form C-S

How to file Form C/ Form C-S 

How to complete Form C 

Essential information to note when filing
Form C (355KB) 
Form C-S (174KB) 

How to revise Form C/ Form C-S

How to check Form C/ Form C-S or assessment status 

If you have failed to file or filed late 

If you make errors in your tax return 

What is a tax computation 

Basic Corporate Tax Calculator 

What is taxable income 

Exemption of foreign sourced income 

What can be deducted 

Income Tax Implications arising from the adoption of FRS 39 

For investment holding companies 

For company servicing only related companies 

For property developers

For shipping companies

How to pay 

If you have failed to pay or paid late  

Refund of tax 

How to object to NOA 

Request copy of Notice of Assessment

 

Last Updated on 3 May 2013


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