noun
Refers to the 12-month period used for accounting and budget purposes, often April 1 to March 31 in Japan.
日本の財政年度は4月1日から翌年の3月31日までです。
Japan's fiscal year runs from April 1 to March 31 of the following year.
会計年度 is a near-synonym also meaning 'fiscal year', but 財政年度 is more specifically tied to government/public finance, while 会計年度 can be used for both public and private sectors.
Compound of 財政 (finance, public finance) and 年度 (fiscal year, annual term).