Singapore Corporate Access (or Corppass) is the sole authorisation system for entities to manage digital service access of employees or third parties (e.g. tax agents) who need to perform corporate transactions with government agencies online. To access IRAS' digital services in an entity's myTax Portal account, employees or third parties (e.g. tax agents) must first be authorised via Corppass.
An entity which has authorised its employees or third parties (e.g. tax agents) to access its myTax Portal account via Corppass will be deemed to have authorised its employees or third parties (e.g. tax agents) to:
- Handle its Corporate Income Tax matters;
- Correspond with IRAS on its Corporate Income Tax matters through any mode of communication including telephone calls, myTax Mails, emails, hardcopy letters and in-person meetings.
For companies
- Corppass Step-by-Step Guide for Companies (PDF, 4.75MB)
- Corppass Simplified Guide for Companies where the Registered Officer Handles All Digital Services for the Company (PDF, 298KB)
- Guide on How to Log In to myTax Portal (PDF, 990KB)
- Frequently Asked Questions (FAQs) on Corppass for Companies (PDF, 132KB)
For tax agents
- Corppass Step-by-Step Guide for Tax Agents (PDF, 4.68MB)
- Guide on How to Log In to myTax Portal (PDF, 1.01MB)
- FAQs on Corppass for Tax Agents (PDF, 130KB)
For foreign entities
- Corppass Step-by-Step Guide for Foreign Entities (PDF, 6.9MB)
- Guide on How to Log In to myTax Portal (PDF, 982KB)
Login/ e-Filing issues encountered at myTax Portal
Corporate Income Tax
Name of digital service | Description | Information needed | Estimated submission and/or processing time | Guides/ FAQs |
---|---|---|---|---|
Access Company Dashboard | For companies or tax agents to view a dashboard with information such as company's corporate profile, filing and assessment status, latest notice of assessment and whether the company is on GIRO. |
| N.A. | FAQs
(PDF, 313 KB) |
Access Tax Agent e-Services | For tax agents to:
|
| N.A. | FAQs
(PDF, 313 KB) |
Appeal Penalty Waiver | Appeal for waiver of late payment penalties. |
| Submission 3 - 5 minutes Processing | User Guide
(PDF, 1.58 MB) |
Apply for Certificate of Residence (COR) | For companies or their tax agents to apply for COR via myTax Portal. |
| Submission 5 minutes Processing | User Guides for: FAQs
(PDF, 183 KB) |
Apply for Waiver/ File last Form C-S/ C (Dormant/ Striking Off) |
*Advance YAs refer to YAs where the filing service is not yet available via myTax Portal. This digital service is available to companies and tax agents. |
| Submission 10 minutes Processing The processing time may take longer if the case is complex. The company will be notified of the status of its application based on the company’s preferred manner to receive notices from IRAS. | User Guides for: FAQs (PDF, 229 KB) |
Apply/ Manage GIRO Plan | Apply for a new eGIRO arrangement or to re-activate your previous GIRO arrangement and edit your payment plan for your Corporate Income Tax. |
| Submission 5 minutes Processing New eGIRO arrangement Re-activate GIRO arrangement | User Guide (PDF, 1.71 MB) |
File Estimated Chargeable Income (ECI) | For companies to furnish their ECI within 3 months from the end of their financial year, unless the ECI filing waiver applies. This convenient filing option is also available to tax agents who wish to perform single or multiple filing transactions for their clients. |
| Submission 5 minutes Processing | User Guides for: Learn more about ECI filing. |
(This digital service for YA 2024 is now available.) | For qualifying companies to file Form C-S/ Form C-S (Lite)1 1 If your company is dormant (i.e. did not carry on business and had no income in the preceding year), file your company’s Income Tax Return using the ‘File Form C-S/ C for Dormant Company” digital service. |
Note: Please do not submit the Acknowledgement Page for the successful submission of Form C-S/ Form C-S (Lite) to IRAS. | Submission 10 minutes Processing | User Guides for: Explanatory notes FAQs |
(This digital service for YA 2024 is now available.) | For companies to file Form C. |
Note: Please do not submit the Acknowledgement Page for the successful submission of Form C to IRAS. | Submission 30 minutes Processing | User Guides for: Explanatory notes FAQs |
For dormant companies or their tax agents to file the Income Tax Return. |
| Submission 5 minutes Processing The processing will take up to 7 working days. | User Guides for: FAQs (PDF, 174 KB) | |
A secure email channel to correspond with IRAS on your confidential tax matters. |
| Submission Processing | FAQs (PDF, 294 KB) | |
Pay Taxes | For companies to settle their tax bills online via PayNow QR or AXS. |
| Processing We will update your account within 1 working day once payment is received. | - |
Request Extension of Time to File | Request for extension of time to file Income Tax Returns and/or accounts upon receiving late filing notification. |
| Submission 3 - 5 minutes Processing | User Guide (PDF, 849 KB) |
Revise/ Object to Assessment | For companies or their tax agents to lodge an objection to the Notice of Assessment or make amendments to the ECI and Corporate Income Tax Return (Form C-S/ Form C-S (Lite)/ Form C) filed. |
| Submission 5 to 10 minutes for each objection or amendment Processing For objection to Notice of Assessment issued after IRAS has reviewed the Corporate Income Tax Return (Form C-S/ Form C-S (Lite)/ Form C), we will inform you of our decision within 6 months. For complex cases where more time is needed to review the tax issue under objection, we will inform you of the estimated time needed. | User Guides for: FAQs (PDF, 258 KB) |
Submit Document |
|
| Submission 5 minutes Processing | User Guides for: |
Update Corporate Profile/ Contact Details | For companies or their tax agents to view the companies’ particulars and contact details (e.g. company's status, registered office address, financial year end, telephone number). Contact details (e.g. name of contact person, telephone number, email address) and financial year end can also be updated by the company’s staff or their tax agents who have been authorised with an ‘Approver’ role. |
Note: Update of address and financial year end are available only for foreign companies not registered with the Accounting and Corporate Regulatory Authority (ACRA). | Submission N.A Processing For address updates, you can expect the request to be processed within 3 working days. | User Guides for: FAQs (PDF, 160 KB) |
Update Notice Preferences (UNP) | For companies to update their notice preferences to receive either email notifications or paper notices. |
| Submission 5 minutes Processing | User Guide (PDF, 476 KB) |
View Account Summary | For companies to view their statement of account (e.g. to check payment status and if there is any outstanding Corporate Income Tax payable). |
| N.A. | User Guide (PDF, 112 KB) |
For companies to view the submission and processing status of their ECI and/or Form C-S/ Form C-S (Lite)/ Form C filed and the progress of Forms submitted. |
| Submission N.A Processing | User Guides for: | |
View Corporate Tax Notices/ Letters | For companies to view the following types of correspondence and notices issued by IRAS:
(Records for current and past 3 years are available for viewing) |
| N.A | User Guides for: FAQs (PDF, 180 KB) |
View Donations | For companies to view the donations made to approved Institutions of a Public Character (IPCs). |
| N.A | User Guides for: |
View GIRO Plan | For companies to view or cancel their payment plan for Corporate Income Tax. |
| Submission 5 minutes Processing | User Guide (PDF, 990 KB) |
View Officer-in-charge | For companies to view the name and contact number of the officer-in-charge You do not need to log in to myTax Portal to use this digital service. |
| N.A | - |
Others
Name of digital service | Description | Information needed | Estimated submission and/or processing time | Guides/ FAQs |
---|---|---|---|---|
Apply for EIS Cash Payout | For company to apply for EIS cash payout. |
|
Submission 10 minutes Processing Note: |
User Guides for:
|
View EIS Cash Payout Application Status | For companies to check the status of their EIS cash payout applications. The EIS cash payout application status will be available for viewing on the next day after the date of submission of the EIS Cash Payout application. |
| N.A. | - |
View EIS Notices/ Letters | To view EIS cash payout notices and correspondence (including acknowledgement page of submission via 'Apply for EIS Cash Payout' digital service). (Records for the current and past 3 years are available for viewing) |
| N.A. |
User Guide for:
|
For companies or their tax agents to apply for PIC cash payout on costs incurred prior to YA 2019 on qualifying equipment acquired on hire purchase via myTax Portal. |
| Submission 10 minutes Processing | User Guides for: FAQs
(PDF, 325KB) | |
For companies or their tax agents to check the status of their PIC cash payout applications via myTax Portal. The PIC cash payout application status will be available for viewing within 3 days from the date of submission of your PIC cash payout application. |
| N.A. | User Guides for: FAQs | |
For companies or their tax agents to view PIC cash payout correspondence and notices via myTax Portal. (Records for current and past 3 years are available for viewing) |
| N.A. | User Guides for: FAQs (PDF, 124 KB) |