IR8A Submission Singapore 2026: Step-by-Step Guide for Employers (Deadline, AIS & Requirements)

If you’re preparing your company’s IR8A submission in Singapore for 2026, you’re probably dealing with deadlines, employee income records, and IRAS requirements all at once. While the process can seem complicated, getting it right is important to avoid delays, errors, and compliance issues.

This guide explains everything employers need to know about IR8A submission in 2026, including key deadlines, AIS requirements, supporting forms, and the steps needed to complete your filing accurately.

IR8A Submission 2026: Key Information at a Glance

Requirement	Details
Submission deadline	1 March 2026
AIS mandatory threshold	5 or more employees
Income period covered	YA 2025
Appendix 8A	Benefits-in-kind
Appendix 8B	Employee stock options and share ownership plans
Form IR8S	Excess CPF contributions

What Is IR8A and Who Needs to Submit It?

Before going into details regarding submission, it’s essential to know what IR8A is. The IR8A is a mandatory form submitted by all employers in Singapore, declaring their employees’ employment income for the previous year. 

On submission, tax authority Inland Revenue Authority of Singapore requires it to be submitted by 1 March 2026.

IR8A Timeline

• Jan–Feb 2026: Prepare employee income records and validate data
• By 1 March 2026: Submit IR8A to IRAS
• After submission: will be automatically included in their tax returns (for AIS employers, as pre-filled information)

What Changed for 2026 IR8A Submissions?

The Inland Revenue Authority of Singapore (IRAS) has introduced many changes to streamline the submission process. One of the most significant changes is that employers with 5 or more employees are required to submit IR8A forms electronically under the Auto-Inclusion Scheme (AIS). The days of paper submission are now gone; that is a huge shift towards digitization.

How to Submit IR8A in Singapore: Step-by-Step Guide

1. Gather Documentation

• For the submission process, ensure you have collected the following information:
• Personal particulars of your employees, including identification numbers.
• Records of their annual employment income.
• Details of their benefits-in-kind.
• Records of any commission and bonuses they have been paid.
• Director’s fees, where applicable.
• Allowances (transport, entertainment, etc.)
• Employee CPF contributions (where applicable)

2. Log on to myTax Portal (via CorpPass)

Apply for the myTax Portal login using your CorpPass account. CorpPass is now the only accredited login for corporate transactions with government bodies, according to the Ministry of Finance.

3. Validate Data

Before submitting, ensure data validation under IRAS requirements seems good, meaning the following:

• Make use of the Data Validation Tool offered by IRAS or your payroll/HR software (if integrated with AIS).
• Check for any common errors, like incorrect date formats.
• Verify that all mandatory fields are filled in.

4. Additional Forms (If Applicable)

Depending on your employees’ compensation structure, you may also need to submit the following along with IR8A:

• Appendix 8A – for reporting benefits-in-kind such as housing, car benefits, and insurance
• Appendix 8B – for gains from Employee Stock Option Plans (ESOP) or share ownership schemes
• Form IR8S – for excess CPF contributions that need to be reported

Make sure to review whether these apply to your employees to ensure full compliance with IRAS requirements.

5. Submit Your Returns

Pick the option through which you want to submit your documents:

• Directly on myTax Portal.
• API Submission, which is for Corporates.
• AIS file submission (TXT format) via IRAS-compliant payroll software

Common IR8A Mistakes Employers Should Avoid

1. Missing Benefits-in-Kind

Keep in mind non-monetary benefits such as housing allowances, car perks, insurance premiums, and share options.

2. Improper Classification

Make sure that you properly classify the different types of income. The Singapore Business Federation has helpful information on properly classifying income.

Submission Tips

• Start Early: Start collecting information well before the submission deadline. The Singapore National Employers’ Federation recommends starting at least two months before the deadline.
• Recordkeeping: Update payroll records periodically so that you do not have to rush things at the last minute.
• Stay updated: Subscribe to IRAS updates and announcements in order to keep up with changes or requirements.
• Use automation: PeopleCentral helps businesses prepare IR8A data, manage payroll records, generate payslips, and reduce manual reporting errors.

What To Do After Submission

Make sure you:

• Keep copies of submission confirmation receipts
• Advise employees that their income has been reported
• Prepare for inquiries that may arise from IRAS

How to Seek Help

If you run into problems with submission, there are several resources that can be helpful:

• IRAS e-Services Helpdesk
• IRAS Virtual Assistant
• Tax service professionals

Conclusion

IR8A submission may seem like a nightmare, but with these guidelines, it becomes more bearable. As such, accurate and timeous submissions help you remain compliant and help employees render their personal income tax returns without any inconvenience.

Never forget to review your submission and catch up with IRAS updates. You need a checklist and a decent time buffer before the deadline and just like that you will go through 2026 IR8A submission unscathed.

For the latest updates and detailed information, visit the IRAS website or consult with your tax professional.

Simplify IR8A Filing

Preparing IR8A submissions can take time and effort. PeopleCentral helps automate payroll, manage employee records, and make compliance easier.

As a PSG-supported HR and payroll solution, PeopleCentral can also help eligible businesses reduce digitalisation costs.

Learn how PeopleCentral can help your business.