SAWT DAT File Deadlines for Fiscal-Year Taxpayers: Aligning Quarters With a Non-Calendar Year

A fiscal-year corporation’s SAWT (Summary Alphalist of Withholding Tax) DAT file has no deadline tied to the calendar — it is due whenever the BIR Form 1701Q, 1702Q, 1701, or 1702 it attaches to is due, and that return’s due date is computed from the close of the corporation’s own fiscal quarters, not from January-to-December calendar quarters. For a business on a fiscal year, that means the familiar May/August/November filing rhythm most bookkeepers know by heart simply does not apply.

Why SAWT doesn’t run on the calendar for a fiscal-year taxpayer #

SAWT is legally an attachment to a return, not a standalone filing with its own due date. Under Revenue Regulations No. 2-2006, the taxpayer claiming a creditable withholding tax (CWT) credit backed by BIR Form 2307 certificates must submit SAWT alongside the return where that credit is claimed. The regulation puts the obligation on the payee directly:

“The payee/income recipient shall attach the SAWT to the return for purpose of claiming tax credits or refund.” — Revenue Regulations No. 2-2006, Section 2

Because SAWT’s due date is derived entirely from the return’s due date, and a fiscal-year corporation’s return due dates are computed from its own fiscal quarter-ends rather than March/June/September/December, the SAWT deadline moves with it. This is the same “attachment, not a return” mechanic covered for calendar-year filers in SAWT Filing Deadlines — the difference here is only which dates the taxpayer’s quarters actually close on.

How a fiscal quarter maps to a SAWT due date #

A fiscal-year corporation’s quarterly income tax return — and the SAWT attached to it — is due 60 days after the close of each of its own first three fiscal quarters, with the annual return and its SAWT due on the 15th day of the fourth month after the fiscal year itself closes. This is the same day-count the BIR applies to calendar-year filers; only the anchor dates change, since a fiscal quarter closes on whatever month-end the corporation elected under BIR Form 1905 rather than March, June, September, or December.

Only corporations and partnerships may adopt a fiscal year in the first place — individual taxpayers must file on the calendar year regardless of their business cycle. For the mechanics of electing or changing an accounting period, see Calendar Year vs Fiscal Year: How to Change Your BIR Accounting Period Using Form 1905.

Notice that Fiscal Q1’s due date — August 29, 2026 — is the exact same date a calendar-year corporation’s Q2 1702Q falls due, because both quarters close on the same day (June 30) and both get the same 60-day count. Only the label is different. That coincidence is precisely where the mismatch risk below comes from.

The mismatch risk: a calendar-year checklist applied to a fiscal-year client #

The most common error with fiscal-year SAWT is not miscalculating the day-count — it’s applying a calendar-year mental model to a client whose quarters don’t start in January. A bookkeeper managing mostly calendar-year clients builds a habit around a fixed rhythm: Q1 due in May, Q2 in August, Q3 in November, the annual return in April. That habit breaks the moment a fiscal-year client is added to the roster.

Two ways this goes wrong in practice:

1. Wrong due date, right label. The preparer sees “Q1” on a fiscal-year client’s file and reflexively checks it against the calendar-year Q1 deadline (a date around May), when the fiscal-year client’s actual Fiscal Q1 (April–June) isn’t due until August 29 — or, in the reverse case, the preparer assumes a later date and files past the client’s real, earlier fiscal deadline.
2. Wrong certificates in the SAWT. Because SAWT rows must reconcile to BIR Form 2307 certificates for the specific quarter being reported, pulling certificates by calendar month instead of by the client’s actual fiscal quarter produces a SAWT that doesn’t match the underlying return period, even if it’s filed on the correct date.

Both failure modes trace back to the same root cause: SAWT for a fiscal-year taxpayer has to be tracked against that taxpayer’s own fiscal calendar, maintained separately from any calendar-year default a firm’s checklist or software template assumes.

Worked example: Meridian Fiscal Corp., fiscal year ending March 31 #

A corporation with a fiscal year running April 1 to March 31 files four SAWT-bearing returns across the fiscal year, each due on a date that has nothing to do with the standard calendar-quarter deadlines its calendar-year peers use. The example below is fictional but illustrates the mechanics.

Meridian Fiscal Corp. elected a fiscal year ending March 31 by filing BIR Form 1905 (see Calendar Year vs Fiscal Year for how that election works and the short-period return it triggers on the first switch). For its fiscal year running April 1, 2026 to March 31, 2027:

1. Fiscal Q1 (Apr 1 – Jun 30, 2026): Meridian collects its BIR Form 2307 certificates for April, May, and June, builds its SAWT DAT file from those three months only, and files BIR Form 1702Q with the SAWT attached by August 29, 2026 — 60 days after June 30.
2. Fiscal Q2 (Jul 1 – Sep 30, 2026): The next SAWT covers only July–September certificates, filed with the second 1702Q by November 29, 2026.
3. Fiscal Q3 (Oct 1 – Dec 31, 2026): The third SAWT covers October–December certificates, filed with the third 1702Q by March 1, 2027 — 60 days after December 31.
4. Fiscal Q4 / annual (Jan 1 – Mar 31, 2027): No separate 1702Q is filed for the fourth fiscal quarter; instead, Meridian consolidates the full fiscal year’s certificates into one annual SAWT filed with BIR Form 1702 by July 15, 2027 — the 15th day of the fourth month after its March 31 fiscal year-end.

A calendar-year peer of similar size files its own 1702Q SAWTs on May 30, August 29, and November 29, 2026, and its annual return on April 15, 2026. Meridian’s August 29 and November 29 dates happen to land on the same calendar days as its peer’s Q2 and Q3 — but Meridian’s own Q1 and annual deadlines (August 29 and July 15) fall nowhere near its peer’s May 30 and April 15. Treating the two companies’ calendars as interchangeable is exactly the trap described above.

Where the SAWT DAT file itself fits on this timeline #

The SAWT DAT file has to reach the BIR through the same channel and by the same date as the return it supports, whether that return sits on a calendar or fiscal cycle. Under Revenue Regulations No. 1-2014, as clarified by Revenue Memorandum Circular No. 5-2014, SAWT is submitted electronically through eFPS as an attachment, through the BIR’s eSubmission facility, or by hard copy to the taxpayer’s RDO for smaller filers — and whichever channel applies, the file still has to be built, validated, and delivered by the fiscal return’s due date, not a calendar-quarter approximation of it. Building the DAT file itself from the correct fiscal-quarter certificates is covered in How to Convert Excel to BIR DAT File for SAWT.

Frequently asked questions #

Do fiscal-year taxpayers file their SAWT DAT file on the same dates as calendar-year taxpayers? #

No. A fiscal-year taxpayer’s SAWT is due on the same date as the quarterly or annual income tax return it attaches to under Revenue Regulations No. 2-2006, and that return’s due date is computed from the close of the taxpayer’s own fiscal quarters and fiscal year — not from the standard January-to-December calendar.

Which taxpayers can even have a fiscal year for SAWT purposes? #

Only corporations and partnerships may elect a fiscal year under Section 43 of the National Internal Revenue Code. Individual taxpayers, including self-employed professionals and sole proprietors, must use the calendar year, so fiscal-year SAWT deadlines are a corporate and partnership issue only.

How do I compute a fiscal-year SAWT deadline? #

Identify the taxpayer’s fiscal quarter-end and fiscal year-end from its BIR Form 1905 accounting-period election, then apply the same due-date rules used for calendar-year filers to those dates: 60 days after the close of each of the first three fiscal quarters for the BIR Form 1702Q, and the 15th day of the fourth month after the fiscal year closes for the annual BIR Form 1702. The SAWT attached to each filing is due on that same date.

What’s the risk of using a calendar-year checklist for a fiscal-year client? #

A bookkeeper or preparer used to calendar-year clients may default to the familiar May/August/November quarterly pattern or an April annual deadline that has nothing to do with a fiscal-year client’s actual quarter-end dates, producing either a late SAWT and return or a SAWT built from the wrong three months of BIR Form 2307 certificates.

Does switching from a calendar year to a fiscal year change SAWT deadlines immediately? #

Yes, from the effectivity date stated on the corporation’s BIR Form 1905 accounting-period change. The stub period between the old calendar year-end and the start of the new fiscal year still requires its own short-period return and SAWT attachment before the new fiscal-quarter cycle takes over.

Summary #

SAWT never has a deadline of its own — Revenue Regulations No. 2-2006 ties it permanently to the return it supports, and for a fiscal-year corporation that return’s due date is computed from the corporation’s own fiscal quarter-ends and fiscal year-end, not the calendar quarters most bookkeeping checklists default to. The mechanics don’t change: 60 days after each of the first three fiscal quarters for BIR Form 1702Q, and the 15th day of the fourth month after the fiscal year closes for the annual BIR Form 1702. What changes is the anchor date, and mixing up a fiscal-year client’s anchor with a calendar-year template is the single most common way a SAWT ends up late or built from the wrong quarter’s certificates. For the calendar-year version of this schedule, see SAWT Filing Deadlines; for how a corporation elects or changes its fiscal year in the first place, see Calendar Year vs Fiscal Year: How to Change Your BIR Accounting Period Using Form 1905.