E-Filing NY Tax

Hi,


My wife does not have a NY income for 2021 but I did. TT mentioned this during the interview -  When only one of you has Taxable NY Source Income a certification form must accompany your return. I believe this is IT-203C. If I efile the returns (Federal and NY & NJ states), will IT-203C be transmitted electronically or should I mail a paper form of IT-203C ?

 

Thanks