Can a financial year exceed 12 months?

Asked by: Dr. Nasir Wiegand  |  Last update: October 1, 2026
Score: 4.7/5 (17 votes)

Yes, a financial year can exceed 12 months, but generally only for a company's first year of operation or when changing the accounting period. While standard financial years are 12 consecutive months, regulatory bodies often allow the first fiscal period to be up to 18 months.

Can a financial year be more than 12 months?

The first financial year generally lasts for 12 months, but may be shorter or longer. It must not be more than 18 months. The directors can decide the length. After that, all financial years must start at the end of the previous financial year and be 12 months long.

Can a fiscal year be more than 12 months?

For many companies the fiscal year doesn't align with the calendar year, for instance when the fiscal year ends on June 30 rather than December 31. For newly created companies, the fiscal year might even actually be longer than 12 months.

Can financial statements be more than 12 months?

a company's financial year may not exceed 15 months (this applies to its first financial year and any subsequent financial year which is longer than 12 months as a result of a change in financial year);

Can an accounting period be more than 12 months?

Your 'accounting period' for Corporation Tax is the time covered by your Company Tax Return. It cannot be longer than 12 months and is normally the same as the financial year covered by your company or association's annual accounts. It may be different in the year you set up your company.

Financial Year End Explained

26 related questions found

What is the 12-month rule in accounting?

What Is the 12-Month Rule? Under IRS regulations, prepaid expenses are generally deductible in the year they are paid if the benefit from that payment doesn't extend beyond: 12 months after the first date the taxpayer realizes the benefit, or. The end of the following tax year, whichever is earlier.

Can an accounting period be longer than a year?

You choose your accounting period (tax year) when you file your first income tax return. It cannot be longer than 12 months.

Can a company extend its financial year?

▶ A company can extend its accounting year only once in any five-year period, unless the accounting period is being changed to coincide with that of its holding company or any subsidiary. The accounting period can be shortened as many times as required.

How many periods can a financial year have?

It can be a month, quarter, or a year. Usually, the accounting period is defined with respect to an organisation's fiscal year. Fiscal year refers to one year's worth of accounting activity and can be any 12-month period throughout the year, such as 1 June to 31 May, or 1 October through 30 September.

What are the rules for accounting periods?

Accounting periods can be weekly, monthly, quarterly, or annually, using either a calendar or fiscal year. The accrual method of accounting, using revenue recognition and matching principles, ensures consistent financial reporting.

What is a 12 month period called?

A calendar year is a 12-month period that runs from Jan. 1 to Dec. 31 and is commonly used for individual and corporate taxation. It represents the civil year, consisting of 365 days or 366 in a leap year.

Can you pay tax over 12 months?

HMRC will always check whether it is possible to set up a payment plan under which you agree to make a monthly amount over an agreed period of 12 months or longer to settle the tax liability.

How long can a tax year be?

The corporation's tax year is its fiscal period, which cannot be longer than 53 weeks (371 days).

Can a tax year be over 12 months?

The tax years you can use are: Calendar year – 12 consecutive months beginning January 1 and ending December 31. Fiscal year – 12 consecutive months ending on the last day of any month except December.

What's the difference between a fiscal year and a financial year?

A fiscal year (also known as a financial year, or sometimes budget year) is used in government accounting, which varies between countries, and for budget purposes. It is also used for financial reporting by businesses and other organizations.

What is a trailing 12 month financial statement?

Trailing 12 months (TTM) is used to describe the data for the past 12 consecutive months of a company's reported financial figures. Using these figures provides a more current picture of a business's financial performance than its annual filings and reports, which may contain outdated information.

What is the maximum accounting period?

Most businesses are free to change their accounting date at least once every six years. This means they will either be shortening an accounting period, or extending it. The maximum permitted length for an accounting period is generally eighteen months.

What is a 13 period fiscal year?

The 13 Period setup generates 13 new periods starting from the Period 1 Start Date for Start Fiscal Year. Each period lasts exactly 4 weeks (28 days). Every year, the start date of each period falls on the same day of the week.

Can you have a 21 month accounting period?

The first accounting period must be between six and eighteen months. Subsequent periods will usually be twelve months, but can be changed to anything from one day to eighteen months. An accounting period can be shortened as often as you like but can only be extended once every five years.

Why do companies extend accounting periods?

For example, if the company is due to be audited for the past financial year, management can try to delay this by lengthening the accounting period. This is usually an attempt to sort out issues that will be found during the audit.

What is the extended filing period?

If you need more time to file your taxes, request an extension by the April tax filing due date. This gives you until October 15 to file without penalties. Make sure you pay any tax you owe by the April filing date.

Can a company change their fiscal year?

Entities may change their fiscal year for a variety of reasons, including matching financial reporting to the seasonal fluctuations of an entity's business, cash management purposes, matching the fiscal years of peers in an industry, and changing to S-corporation status, among others.

Can an operating cycle be more than 12 months?

If the entity's normal operating cycle is not clearly identifiable, it is presumed to be twelve months (IAS 1.68). All assets used/sold, or liabilities settled, within an operating cycle are classified as current, even if this exceeds 12 months.

What is a 12-month accounting period called?

A Fiscal Year (FY), also known as a budget year, is a period of time used by the government and businesses for accounting purposes to formulate annual financial statements and reports. A fiscal year consists of 12 months or 52 weeks and might not end on December 31.

What is a long accounting period?

First accounting period longer than 12 months

Your first accounting period may run for longer than 12 months. For example, if your business was incorporated on 15th January, you might prepare the company accounts to 31st January the following year.