(1) it is a court in a county designated for that purpose in the complaint, but the designated county is not the proper county pursuant to the provisions of Chapter 7 of Title 15 of the 1976 Code or other statutes providing for the venue of actions;
(2) there is reason to believe that a fair and impartial trial cannot be had there; or
(3) the convenience of witnesses and the ends of justice would be promoted by the change.
(B) When the place of trial is changed, all other proceedings must be in the county to which the place of trial is changed, unless otherwise provided by the consent of the parties in writing duly filed or by order of the court. The pleadings and other papers must be filed or transferred accordingly.