Sheriff is using Centers for Disease Control patter about the dangers of gun ownership in general, as his reason to unilaterally close all gun stores in Los Angeles County. I was not aware the county sheriff's duties include closing businesses on his own authority, that have not been ordered closed by the state.
https://www.foxla.com/news/la-county-sheriff-orders-gun-stores-to-close-adds-1300-deputies-to-patrol
https://www.foxla.com/news/la-county-sheriff-orders-gun-stores-to-close-adds-1300-deputies-to-patrol