Množina: fiscal years

Any accounting period of 12 months; SYN. financial year.
A year as defined by a company or government for financial accounting purposes. A company can choose any 12-month period for its accounting year and in exceptional circumstances may determine a longer or shorter period as its fiscal year. It does not necessarily coincide with the calendar year.
For the US government, the budget year runs from Oct 1 to Sept 30. For businesses and financial institutions, it generally runs July 1 to June 30.