Complete BIR Tax Deadline Calendar 2027 Philippines

Planning ahead for your taxes next year? The BIR tax deadline 2027 Philippines schedule follows the same recurring framework as prior years, but specific dates shift whenever a deadline falls on a weekend or official holiday. Good news, most of the dates are predictable enough to put in your calendar right now, with a few adjustments to watch for once the official 2027 Philippine holiday proclamation is released.

How BIR Deadlines Work

BIR filing calendar 2027 dates follow a recurring pattern set by the Tax Code. Quarterly income tax returns fall every May 15, August 15, and November 15. Annual income tax returns are due April 15. Quarterly business tax returns are due 25 days after the close of each quarter.

When a deadline falls on a Saturday, Sunday, or a legal holiday, BIR generally moves it to the next working day. This means you need to verify once the Philippine government releases the official holiday proclamation for 2027, since special non-working days also affect due dates. For prior-year reference, see our BIR deadline 2026 guide, and if you are worried about late penalties, our How to avoid penalties article covers what to do if you miss a filing.

January 2027 Deadlines

January starts the year with two important deadlines.

The annual registration fee of ₱500 using BIR Form 0605 is due on or before January 31, 2027. January 31, 2027 falls on a Sunday, so this deadline is expected to move to Monday, February 1, 2027. Verify this with the BIR website or ask BB once the official 2027 schedule is released.

The quarterly percentage tax return for Q4 2026, BIR Form 2551Q, and the quarterly VAT return for Q4 2026, BIR Form 2550Q, are also due by January 25, 2027. January 25 falls on a Monday in 2027, so no adjustment is expected for this date.

Q1 Deadlines: April 2027

The annual income tax return is one of the most important BIR tax deadline 2027 Philippines dates. April 15, 2027 falls on a Thursday, so the annual ITR deadline, whether you file Form 1700, 1701, or 1701A, is expected to stay on April 15, 2027.

The quarterly percentage tax return for Q1 2027, Form 2551Q, is due by April 25, 2027. April 25 falls on a Saturday in 2027, so this deadline is expected to move to Monday, April 27, 2027. The quarterly VAT return for Q1 2027, Form 2550Q, follows the same April 25 base date and the same expected adjustment.

Q2 Deadlines: May to July 2027

The quarterly income tax return for Q1 2027, Form 1701Q, is due May 15, 2027. May 15 falls on a Saturday in 2027, so this deadline is expected to move to Monday, May 17, 2027.

The quarterly tax due 2027 for Q2 percentage tax, Form 2551Q, is due by July 25, 2027. July 25 falls on a Sunday in 2027, so this deadline is expected to move to Monday, July 26, 2027.

Q3 Deadlines: August to October 2027

The quarterly income tax return for Q2 2027, Form 1701Q, is due August 15, 2027. August 15 falls on a Sunday in 2027 and is also typically a holiday in the Philippines, so this deadline may move to Tuesday, August 17, 2027 or later depending on the official holiday calendar. Verify with the BIR website or ask BB once the 2027 schedule is confirmed.

The quarterly percentage tax return for Q3 2027, Form 2551Q, is due by October 25, 2027. October 25 falls on a Monday in 2027, so no weekend adjustment is expected, though holiday overlap should still be checked.

Q4 Deadlines: November 2027 to January 2028

The quarterly income tax return for Q3 2027, Form 1701Q, is due November 15, 2027. November 15 falls on a Monday in 2027, so no weekend adjustment is expected.

The Q4 2027 quarterly percentage tax and VAT returns are due January 25, 2028, following the standard 25-day-after-quarter-close rule.

Full BIR Filing Calendar Table 2027

All dates below are based on the standard recurring BIR deadline framework and day-of-week calculations for 2027. Verify the latest deadline with the BIR website or ask BB for the most current information, since holidays can cause further shifts.

Form	What It Is For	Standard Date	Expected 2027 Date
BIR Form 0605	Annual registration fee	January 31	Monday, February 1, 2027
BIR Form 2551Q / 2550Q (Q4 2026)	Q4 quarterly percentage tax / VAT	January 25	Monday, January 25, 2027
BIR Form 1700 / 1701 / 1701A	Annual income tax return	April 15	Thursday, April 15, 2027
BIR Form 2551Q / 2550Q (Q1 2027)	Q1 quarterly percentage tax / VAT	April 25	Monday, April 27, 2027
BIR Form 1701Q (Q1 2027)	Q1 quarterly income tax	May 15	Monday, May 17, 2027
BIR Form 2551Q / 2550Q (Q2 2027)	Q2 quarterly percentage tax / VAT	July 25	Monday, July 26, 2027
BIR Form 1701Q (Q2 2027)	Q2 quarterly income tax	August 15	Verify with BIR (holiday risk)
BIR Form 2551Q / 2550Q (Q3 2027)	Q3 quarterly percentage tax / VAT	October 25	Monday, October 25, 2027
BIR Form 1701Q (Q3 2027)	Q3 quarterly income tax	November 15	Monday, November 15, 2027
BIR Form 2551Q / 2550Q (Q4 2027)	Q4 quarterly percentage tax / VAT	January 25	Monday, January 25, 2028

How to Pay BIR Using GCash

You can settle your tax dues on any deadline without lining up at a bank.

1. Open your GCash app and tap “Pay Bills.”
2. Select “Government,” then choose “BIR.”
3. Enter your TIN, RDO code, form type, and the tax period you are settling.
4. Enter the exact amount due based on your computed return.
5. Confirm the payment and save your reference number as proof.

You can also pay through the BIR online payment portal if you prefer using your bank app. Filing your return is handled separately through the BIR eBIRForms page.

Common Mistakes With Tax Deadlines

Most missed deadlines are completely avoidable. Watch out for these.

1. Assuming the standard date applies and not checking if it has moved due to a weekend or holiday.
2. Confusing the filing deadline with the payment deadline, since both need to happen before or on the same date.
3. Forgetting to file a nil return during quarters with zero sales, since registration creates a filing obligation regardless of income.
4. Waiting for the official 2027 BIR calendar and then scrambling when it is released close to the deadline.
5. Mixing up Q1 and Q2 deadlines for income tax, since the quarterly ITR pattern is May, August, November, not April, July, October.

Ana’s Story: A Freelancer From Laguna

Ana is a freelance copywriter in Laguna earning around ₱55,000 a month. She missed her Q1 quarterly income tax return two years in a row because she assumed the May 15 deadline always stayed the same.

In 2027, she set reminders two weeks before each expected deadline and double-checked whether weekends or holidays would push the date forward.

When May 15 moved to May 17 due to the Saturday, she was already prepared. She filed her 1701Q, paid the amount due through GCash, and moved on without a single penalty for the year.

Final Thoughts

Staying ahead of the BIR tax deadline 2027 Philippines schedule means putting these dates in your calendar now and then confirming adjustments once BIR releases its official 2027 filing calendar closer to the year.

The BIR filing calendar 2027 follows the same recurring pattern as every previous year. The only variables are weekends and Philippine holidays, both of which are easy to check in advance.

BB is available 24/7 to give you the most current confirmed dates for any filing period. A little advance planning now keeps your record clean for the whole year.

Disclaimer: This guide is for informational purposes only and does not constitute legal or accounting advice. For complex tax situations, consult a licensed CPA.