SAN FRANCISCO (AP) — California’s largest labor union is endorsing a November ballot initiative that would legalize marijuana.

The state’s Service Employees International Union and its 700,000 members endorsed Proposition 19 on Tuesday, though it remains unclear how much time or money it will donate.

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An endorsement letter from Bill Lloyd, president of SEIU California, says most of the union’s resources will go toward the governor’s race, but also vows to help Prop. 19 “in any way we can.”

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Lloyd says the measure’s revenue will help the state preserve jobs and “avoid cuts to health care, home care, education and other services.”

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