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As wired your MLO panel does not conform to 230.85, which requires an emergency disconnecting means which shuts off the service in a single throw (edit: correction you can have up to 6 throws but they must be grouped). You can do what Tom suggested, you can also install an OCPD ahead of the MLO panel, or you can swap out your MLO panel for a main breaker panel. In any case you're going to rework your installation anyways so just do whatever makes sense with the materials you can find.
 
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