Thank you for your reply,

I  tried it, but this little gremlin was stubborn.  I finally got hold of chat support, and they remoted in, saw how doggedly persistent it was, and after ensuring that I myself had verified all the banking details, she cleared it for ignoring the error. Worst case scenario, if the state doesn't recognize the routing number (but it will) - it will send a paper check for the state refund.