noun
reform proposal; reform plan
A formal proposal or plan for reform, often used in political, organizational, or business contexts.
政府は税制の改革案を発表した。
The government announced a tax reform proposal.
その改革案は議会で否決された。
The reform plan was rejected by the parliament.
案 is a suffix meaning 'plan' or 'proposal', attached to nouns to form compound words like 改革案.
Compound of 改革 (reform) and 案 (plan, proposal).