California is moving closer to a first-in-the-nation law requiring corporate boards to include racial or sexual minorities, expanding on a new law that sets a similar requirement for including women directors.

The diversity bill approved by the Senate on Saturday would require California-based public corporations to have one board director from an underrepresented community by the end of 2021.

It returns to the Assembly for a final vote.

Those who qualify would self-identify as Black, Latino, Asian, Pacific Islander, Native American, Native Hawaiian or Alaska Native, or as gay, lesbian, bisexual, or transgender.