See the state's page https://www.cdph.ca.gov/programs/CID...coverings.aspx
Here's a page listing citations for violating COVID standards - https://www.dir.ca.gov/DOSH/covid19citations.asp. I do not yet find the bit of Regulations establishing a penalty. it's 8 CCR 3205 and following, https://govt.westlaw.com/calregs/Doc...ta=(sc.Default). Penalties are typically spelled out, I'm just not seeing that for this section.
In the following healthcare and long-term care indoor settings, masks are required for all individuals regardless of vaccination status. Surgical masks or higher-level respirators (e.g., N95s, KN95s, KF94s) with good fit are highly recommended.
Healthcare settings[3] (applies to all healthcare settings)*
Long Term Care Settings & Adult and Senior Care Facilities[4]
Healthcare settings[3] (applies to all healthcare settings)*
Long Term Care Settings & Adult and Senior Care Facilities[4]

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