[LMH]

They are required in AZ by law but there's a lot that don't have them. It's possible that an inspector may say something though. Kind of depends on who it is and how detailed they make the inspection.
I've seen manual wipers that clip on the windshield with the handle inside to wipe the windshield. Sort of like what you might see on a golf cart. Then they are never to be used again once inspection is passed. Might be something to keep in mind if someone says something about them.
Larry