Filing an Annual Income Tax Return (AITR) is a responsibility many Filipino employees encounter every year, often with more questions than clear answers. While employers usually handle monthly tax withholding, employees are still expected to understand what the Annual Income Tax Return is, why it matters, and whether they are required to file one themselves.

This guide is designed primarily for Filipino employees who want clarity on the frequently asked questions (FAQs) related to the Annual Income Tax Return, explaining what you need to do, why the process exists, and how it fits into your employment and financial life. Along the way, it also highlights why compliance matters to employers and clients who rely on a stable, compliant workforce.

What is an Annual Income Tax Return?

In the Philippine context, the Annual Income Tax Return is a document filed with the Bureau of Internal Revenue (BIR) that summarizes your total income for the entire taxable year, along with the taxes that were withheld or paid.

For employees, this typically reflects salary income reported by your employer. The most common forms involved are:

  • BIR Form 1700 – for purely compensation income earners with multiple employers
  • BIR Form 1701 – for mixed-income earners (employees with freelance or business income)
  • BIR Form 1701A – for self-employed individuals under the graduated rates or 8% option

The Annual Income Tax Return serves as the official confirmation that your taxes for the year are accurate, complete, and compliant with Philippine tax law. For additional forms, please visit their forms page on the Income Tax Return.

Who needs to file an Annual Income Tax Return?

Not all Filipino employees are required to file an Annual Income Tax Return, so that’s where confusion often starts. You may not need to file if you qualify under substituted filing, which applies when:

  • You had only one employer for the entire taxable year
  • Your employer correctly withheld and remitted taxes
  • You received BIR Form 2316, signed by both you and your employer

In this case, your employer files on your behalf. However, you must file an Annual Income Tax Return if you:

  • Had two or more employers during the year
  • Earned income outside of employment (freelance work, side projects, commissions)
  • Are a mixed-income earner
  • Want to claim tax refunds or resolve over-withholding

Understanding whether substituted filing applies to you is one of the most critical steps Filipino employees can take to stay compliant.

When should the Annual Income Tax Return be filed?

In the Philippines, the deadline for filing the Annual Income Tax Return is typically on or before April 15 of the following year. Missing this deadline can result in surcharges, interest penalties, and/or compromise penalties.

For employees who are not covered by substituted filing, preparing early is essential, especially if income came from multiple employers or sources.

Where do Filipino employees file their AITR?

The BIR allows Annual Income Tax Returns to be filed through several channels:

Most employees now use electronic filing platforms, which simplify submission and reduce processing delays.

Why is the Annual Income Tax Return important for Employees?

The most straightforward answer is that it protects you from future tax issues. Incomplete or incorrect records can surface years later during audits or employment transitions. But your filed tax returns also often serve as proof of income when applying for loans, visas, credit cards, or housing. Additionally, proper filing ensures that you do not overpay or underpay taxes, both of which can lead to complications. 

From an employer/client perspective, employee tax compliance supports workforce stability, reduces legal risk, and ensures smoother payroll and operational processes.

How do you file an Annual Income Tax Return?

For employees who need to file, the process generally follows these steps:

  1. Start by gathering documents, including BIR Form 2316 from all employers and records of any additional income. 
  2. Determine the correct BIR form based on your income classification. 
  3. Complete the form carefully, ensuring all figures align with your documents.
  4. Once reviewed, submit the return through the appropriate BIR platform and keep copies for your personal records. These documents may be required years later for verification purposes.

Employees with mixed income or frequent job changes may benefit from professional guidance to ensure accuracy and compliance.

Common mistakes Filipino employees should avoid

Many AITR issues come from simple misunderstandings. Common mistakes include assuming substituted filing applies when it does not, failing to consolidate income from multiple employers, or missing the filing deadline entirely.

Avoiding these issues starts with awareness, so knowing your employment history and income sources for the year makes a significant difference during tax season.

Frequently Asked Questions (FAQs) about Annual Income Tax Returns

Do Filipino employees always need to file an Annual Income Tax Return?

Filipino employees do not always need to file an Annual Income Tax Return. If you qualify under substituted filing and had only one employer for the year, your employer files on your behalf. Employees with multiple employers or additional income sources are required to file.

What happens if I do not file my Annual Income Tax Return on time?

If you do not file your Annual Income Tax Return on time, the BIR may impose penalties, including surcharges and interest. Over time, unresolved non-compliance can affect your employment records and financial applications.

Is BIR Form 2316 enough for tax compliance?

BIR Form 2316 is enough for tax compliance only if you qualify for substituted filing. If you do not qualify, Form 2316 must still be attached to your Annual Income Tax Return as supporting documentation.

Why should employers care about employees’ tax compliance?

Employers should care about employee tax compliance because it reduces payroll discrepancies, legal exposure, and operational disruptions. Transparent tax processes also improve employee trust and administrative efficiency.

Final Thoughts: Supporting employees through Tax Compliance

For Filipino employees, understanding the Annual Income Tax Return helps alleviate much of the anxiety surrounding tax season. Knowing whether you need to file, which form applies, and how the process works enables you to stay compliant while protecting your financial credibility.

For employers and clients, supporting employees through transparent tax processes contributes to a more reliable, focused, and productive workforce. To ensure employees are supported through compliant payroll, documentation, and operational processes, connect with Reliasourcing to explore how structured workforce support helps teams stay focused on what matters most.

Friendly tip: This is only a quick overview of the Annual Income Tax Return. For additional questions or inquiries, it is best to contact your HR department directly or reach out to the government agency via the Bureau of Internal Revenue (BIR) site, contact number (02) 8538 3200, or email at contact_us@bir.gov.ph.

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