IRAS | Digital services

Need help in using myTax Portal? Browse the myTax Portal Technical FAQ

Singapore Corporate Access (or Corppass) is the sole authorisation system for entities to manage digital service access of partners, employees or third parties (e.g. tax agents) who need to perform business transactions with government agencies online. To access IRAS' digital services in the partnership's myTax Portal account, partners, employees or third parties (e.g. tax agents) must first be authorised via Corppass.

A partnership which has authorised its partners, employees or third parties (e.g. tax agents) to access its myTax Portal account via Corppass will be deemed to have authorised its partners, employees or third parties (e.g. tax agents) to:

Handle its partnership's income tax matters;
Correspond with IRAS on its partnership's income tax matters through any mode of communication including telephone calls, myTax Mails, emails, hardcopy letters and in-person meetings.

Name of digital service	Description	Information needed	Estimated submission and/or processing time	Guides/ FAQs
Appeal Penalty Waiver	Appeal for waiver of late filing fees.	Your organisation's Unique Entity Number (UEN)/ Entity ID Your Singpass Your tax agent firm's Tax Reference Number	Submission 3 - 5 minutes Processing The result will be displayed immediately.	User Guide (PDF, 1.03 MB)
File Form P	e-File your Form P and receive an acknowledgement from IRAS upon successful submission.	Your organisation's Unique Entity Number (UEN)/ Entity ID Your Singpass Your organisation's statement of accounts Particulars of your partners for allocation of profit/loss	Submission 10 minutes Processing Most partnerships should receive the Notice of Allocation from Apr to Sep each year.	Technical FAQ
myTax Mail	A secure email channel to correspond with IRAS on your confidential tax matters.	Your organisation's Unique Entity Number (UEN)/ Entity ID Your Singpass Enquiry details Supporting attachments (if applicable) Supported file types: MSG, PDF, PNG, JPG, JPEG, XLS, XLSX, TIF, TIFF, DOC, DOCX Maximum file size: 10 MB per file Important Note: System may remove or modify the file after scanning for malicious and unacceptable content. You can attach up to 25 files with a total file size not exceeding 50 MB. The file name must be in English and must not exceed 50 characters. For authorised staff and tax agents, your organisation's tax reference number is also required.	Submission 10 minutes Processing We will respond to you within 5 working days. We may need more time for complex enquiries and if so, we will inform you.	FAQs (PDF, 249 KB)
Request Extension of Time to File	Request for extension of time to file income tax return and/or accounts.	Your organisation's Unique Entity Number (UEN)/ Entity ID Your Singpass Your tax agent firm's Tax Reference Number	Submission 3 - 5 minutes Processing The result will be displayed immediately.	User Guide (PDF, 896 KB)
Update Partnership Contact Details	To view and update contact details and addresses.	Your organisation's Unique Entity Number (UEN)/ Entity ID Your Singpass	Submission 5 minutes Processing All changes will be updated immediately except the change of mailing address, which will be processed within 3 working days.	FAQs (PDF, 331 KB)
View Partnership Notices/ Letters	To view Form P e-Filing acknowledgement online. (Records for current and past 3 years are available for viewing)	Your organisation's Unique Entity Number (UEN)/ Entity ID Your Singpass	N.A.	FAQs (PDF, 64 KB)
View Partnership Tax Filing Status	To view the status of your Form P online (i.e. when your return has been issued, received or processed).	Your organisation's Unique Entity Number (UEN)/ Entity ID Your Singpass	N.A.	FAQs (PDF, 60 KB)

Others

Name of digital service	Description	Information needed	Estimated submission and/or processing time	Guides/ FAQs
Apply for EIS Cash Payout	For partnership to apply for EIS cash payout.	Your organisation's Unique Entity Number (UEN)/ Entity ID Your Singpass Your business's revenue Information pertaining to costs incurred on qualifying activities If you are claiming costs incurred on acquisition of Intellectual Property Rights (IPRs) under an instalment arrangement and/or Research and Development (R&D) costs, please complete the Instalment Arrangement template (XLSX, 64KB) and/or R&D Form (after YA 2019) (PDF, 0.99 MB), and submit them together with your application.	Submission 15 minutes Processing Most applications will be processed within 3 months. Note: You will receive a physical EIS notice after the application is approved. The notice will also be available in myTax Portal. Please note that you will not receive any e-notification on the EIS notices.	User Guide: Step-by-step guide for Partnerships (PDF, 1.31 MB) Step-by-step guide for tax agent (PDF, 320 KB)
Submit EIS Enhanced Deduction/ Allowance Records	For partnership to submit EIS enhanced deduction/ allowance details which were claimed in the Form P.	Your organisation's Unique Entity Number (UEN)/ Entity ID Your Singpass Your business' revenue Information pertaining to costs incurred on qualifying activities If you are claiming costs incurred on Research and Development (R&D), please complete the R&D Form (YA 2019 and onwards) (PDF, 0.99 MB), and submit it together with your submission.	Submission 15 minutes	User Guide: Step-by-step guide for Tax agent/ Partnerships (PDF, 1.53 MB) Step-by-step guide for tax agent (PDF, 416 KB)
View EIS Cash Payout Application Status	For partnerships 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.	Your organisation's Unique Entity Number (UEN)/ Entity ID Your Singpass	N.A.	-
View EIS Notices/ Letters	To view EIS cash payout notices and correspondence (including acknowledgement page of submission via EIS digital services). (Records for the current and past 3 years are available for viewing)	Your organisation's Unique Entity Number (UEN)/ Entity ID Your Singpass	N.A.	User Guide: Step-by-step guide for Partnerships (PDF, 394 KB)