no, not exactly. if decn prevails, they would still be on the grey sheets. the sec can't do anything about that because the sec didn't send them to the greys, finra did. consequently, it's finra that gets them off the greys.
so, if decn prevails, what essentially that is is a "no further action letter" meaning there would then be no roadblock to decn to find a sponsoring market maker to submit a new form 211 to finra and finra would have no reason to not deem it effective..