Like a kid, I take the easiest answer
I consulted my local police (I'm a graduate of their Citizen's Police Academy) for assistance with the fingerprint card and CLEO signature. My contact went further and consulted Classic Firearms here at the Beach. The answer, transmitted to me by the police, was: the C96 with any shoulder stock is still a C&R and not subject to registration - the application would be sent back without action by the ATF. So anytime I wander around with my C&R, I will take the emails with me.