CCB is only source of income, what do I file?

OK, so I'm only asking this to be completely 100% sure what to do, because I've received conflicting answers from CRA, and other "tax experts".

I'm a stay at home Mum, I don't work due to medical reasons (I don't receive ODSP), and haven't worked in many years. The only "income" I personally receive each month is the [newly formed] CCB. Now I completely understand that the CCB is tax free, and because of that, we no longer receive an RC62. So because I don't work and have no income in that respect to claim, and the CCB is tax free, do I claim that I received no income for 2017? 

I understand this may be a silly question, but again, I've been given conflicting answers, and really don't want to do something wrong.

Thanks!