Does anybody know if my father can prove his income to a lender when I try applying for an FHA loan instead of my income?

I'm helping my father expand his RE portfolio.

Does anybody know if my father can prove his income to a lender when I try applying for an FHA loan instead of my income? 

So what happens is there is a differential that builds up over time where you get grand-fathered into a lower taxable value.  

Our situation: My father is a cancer patient, and I am a permanently disabled adult in my 30’s that is in severe chronic pain after a workplace accident.

To start off, I am not new to the game, my father was an experienced flipper and he figured out how to BRRR himself before YouTube was really a thing.

My father in law would say Yes, but that is also why we don't prepare his tax returns.

Having your corporation own a house and then having your father stay in it sets off some red flags in my mind...

I'm helping my father expand his RE portfolio.

But other than that I am a father of a smart energetic little boy, who has dreams of going places and i want to be able to get him there and not have to worry about the how, but just the when!!