I have a little more insight to what can be legally done here. I spoke with a friend of mine who works as a sheriffs deputy. This was his personal advice. First, she cannot bring someone onto this property, regardless of whether she lives here or not. She has no ownership here. However, the business and property owners can refuse ANYONE for ANY REASON we choose. We have had to have guests served with verbal trespassing before. The police will come out, serve the warning and remove the person from the property. If they choose to return, ever, they will be arrested for trespassing. This applies exactly the same to OM coming here for a BBQ. I can simply say, "I don't like the color of your shoes, so I would like you to leave. He WILL have to leave.
Next, I think I stumbled across a very good point. While I am a partial owner of this business, I am not an owner of the property or the building structures. Therefore, wife is not staying here on my dime. She is staying here on my Moms property. Actually, my Mom therefore would own our home as well. I have no ties to it legally. My Mom and wife have zero legal ties to each other. So, my mom can kick her off the property any time she sees fit, at least that is what my deputy friends first assumption is. I will know more tomorrow after I speak with the civil deputy regarding landlord/tenant rights. With that said, in a worst case scenario, she can be served with a 20 day eviction notice. I will know for certain what my legal rights are tomorrow.
My prospected plan is this. I am going to allow wife and OM to play their own hand. I am not going to exchange texts or any other form of communication regarding this. Wife knows I don't want OM here. If OM chooses to show up, I will confront him and ask him to leave, followed by a call to the police. He will be served with a verbal trespass. At that time, I will have an eviction notice ready to present to wife, be it an immediate departure, 3 day notice or even a 20 day notice. "Sorry wife, you played your cards wrong and here is the consequence. You just moved". I will have to have a 3rd party serve her with the notice, a staff member will suffice. That will be how this is going to play out. I will not fool around with this. The ridiculousness has gone far enough.