What law states that it's illegal? Of course, anyone can get sued for anything. He is worried about this and for the time being has said he'll say the INC stands for "in charge" however he wants to know if he should just drop the whole INC until it's official.
My colleague started a production company business using part of his name and adding the "INC" designation to the end of the business name without first becoming incorporated. Is that legal to do so even if he operates as a sole proprietorship or LLC? Or does he have to remove it? It's really...