ほうあん法案houan
1.

A formal document that outlines a proposed law, prepared in a structured format to be reviewed and potentially approved by a legislative body. This proposal aims to become an official law after passing through the appropriate legislative procedures.

2.

A preliminary version of a legal document that serves as a draft for future legislation, often put forward to facilitate discussion and revision before it is potentially enacted as law.

Example:

その法案はついに通過した。