You could still provide the bills aboutrent,internet,insurance etc and mark those on the bankstatements incl a short letter explaining the fact about splitting responsibilities- that's what I did and it was more than sufficient
He doesn't have policies, a plan...just a concept of a plan about someshit,basically- he says he wants to "do" a lot....but,he can't just do about anything without congress etc.....
Just take the naturalization certificate to social security office- they update the information and send a new card ( same number) without any restrictions.