I've purchased on 12/20 a Mooney M20J from a fellow member of this forum, up to the point of closing, everything went really smooth. I got a MSC near the home airport of the aircraft, they performed a pre buy that found nothing too big, and the, at that moment, owner, agree to reduce the price based on all the findings. After I closed, two things happened: I cannot get the onwer to sign the form required by the state of Texas to not pay sale taxes, as this was a ocassional sale. It'