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Regulatory Filing Deadline Calculator

Find when a regulatory filing is due from the reporting period end date and the filing window, with 30, 60, and 90-day advance reminder dates.

Unit

Filing deadline

Example

August 14, 2025

2025-08-14 · UTC

Based on

Period end date
2025-06-30

Filing deadlines and grace periods vary by filing type, jurisdiction, and regulatory body. Confirm exact requirements with the relevant authority or a compliance professional.

Advance reminders

Window
45 days (45 calendar days from start to end)
90 days before deadline
May 16, 2025
60 days before deadline
June 15, 2025
30 days before deadline
July 15, 2025

Next step: Compliance Deadline Calculator

When to use this calculator

Use this calculator whenever a regulatory report, disclosure, or return must be submitted within a fixed window after a reporting period ends, and you need the exact submission deadline plus preparation reminders.

  • Quarterly regulatory report

    Find when a quarterly regulatory filing is due from the quarter end date and the filing window (e.g., 45 days after quarter close).

  • Annual disclosure filing

    Calculate when an annual report or disclosure must be submitted from the fiscal year end date.

  • Environmental or safety report

    Plan a filing deadline for a statutory environmental or occupational safety report from the period end date.

  • Multi-jurisdiction filing calendar

    Compute separate deadlines for the same reporting period when different regulators require different filing windows.

Inputs

  • Reporting period end date

    The last day of the period covered by the filing—a quarter close, fiscal year end, or a specific statement date set by the regulator.

  • Filing window and unit

    How long you have to submit the filing after the reporting period ends, in days, weeks, months, or years, as set by the regulator.

How the calculation works

Enter the date when the reporting period ends—such as a quarter close, year end, or statement date—and the filing window you have to submit. Days and weeks add calendar days; months and years use calendar-month math on the UTC calendar (with end-of-month clamping when needed).

Advance reminder dates are simple calendar lookbacks: 30, 60, and 90 days before the filing deadline. Use them to prepare data, review drafts, or obtain sign-off well before the submission date.

This tool does not model regulatory extensions, filing fee schedules, or jurisdiction-specific grace periods. Confirm the actual deadline with the relevant regulatory body or a compliance professional.

Worked example

Reporting period end date: 31 March 2025 (quarter close). Filing window: 45 days.

Filing deadline: 15 May 2025.

Advance reminder: 15 April 2025 (30 days before)—a reasonable point to have data compiled and ready for internal review before the 15 May submission date.

For an annual filing with the same 45-day window from a 31 December year end instead, the deadline would fall on 14 February of the following year.

Edge cases

  • Different windows for different filing types

    The same reporting period can trigger multiple filings with different windows—for example, a preliminary report due 30 days after period end and a final report due 90 days after. Run the calculator once per filing type.

  • Filing window stated in business days

    This calculator only adds calendar days, weeks, months, or years. If a regulator states the window in business days, use the Add Business Days To Date Calculator instead for an accurate deadline.

  • Deadline on a weekend or holiday

    The computed deadline is not adjusted off weekends or holidays. Some regulators automatically extend a deadline that falls on a non-business day; others do not—confirm the specific rule.

  • Leap year period ends

    A reporting period ending 29 February only occurs in leap years. If your filing cycle is annual and tied to that date, confirm the actual period end used in non-leap years.

Related Compliance & Regulatory Calculators

The Compliance & Regulatory Deadlines Guide is the primary reference for how compliance, audit, and regulatory filing deadlines are calculated, and which calculator fits each scenario.

The Compliance Deadline Calculator finds when a one-time compliance obligation is due from its trigger date—a regulation effective date, a notice of violation, or a similar event—plus 30-, 60-, and 90-day advance reminders.

The Audit Deadline Calculator finds when an audit must be completed from the end of the audited period, such as a fiscal year end or quarter close, plus the same advance-reminder pattern.

The Regulatory Filing Deadline Calculator finds when a periodic report or disclosure is due from the end of the reporting period it covers.

All three use the same trigger-date-plus-window engine as the Contract End Date, License Renewal, and Certification Renewal calculators in Contracts & Legal.

For business-day counting that compliance and filing deadlines sometimes depend on, see the Business Days Calculator and Add Business Days To Date Calculator in Date & Business Days.

FAQ

What is the reporting period end date?
The last day of the period covered by the filing—commonly a quarter close (e.g., March 31), a fiscal year end, or a specific statement date set by the regulator.
How is the filing deadline calculated?
The calculator adds the filing window (in days, weeks, months, or years) to the period end date using the same calendar-date engine as the Compliance Deadline and Audit Deadline calculators.
Are the advance reminders an official deadline?
No. The 30/60/90-day reminders are planning aids only. Filing deadlines, grace periods, and extension rules vary by filing type and jurisdiction—confirm the actual requirement with the relevant regulatory body.
How is this different from the Compliance Deadline Calculator?
The Regulatory Filing Deadline Calculator is for periodic submission deadlines that run from the end of a reporting period. The Compliance Deadline Calculator is for one-time obligations triggered by a regulation effective date or a notice.
Is this an official filing deadline?
No. This calculator provides planning dates only. Confirm the actual filing deadline, grace period, and any extension rules with the regulatory body the filing is submitted to.

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