Rule 1.4 - Notice of and Assignment of Related Cases in Appeals(a) At the time the notice of appeal is filed in the trial court, the notice of appeal must contain a statement indicating whether a related appeal or original proceeding has been previously filed in either the First or Fourteenth Court of Appeals and must include the caption, trial court case number, and appellate court case number of the related appeal or original proceeding.(b) If a related appeal or original proceeding has been previously filed in or assigned to either the First or Fourteenth Court of Appeals, the trial court clerk must assign the appeal to the court of appeals in which the related appeal or original proceeding was previously filed, pursuant to TEX. GOV'T CODE ANN. § 22.202(h) (Vernon 2004), which provides for companion cases to be assigned to the same court of appeals(c) If related appeals or original proceedings have been previously filed in both the First and Fourteenth Courts of Appeals, the trial court clerk must assign the appeal to the court of appeals in which the most recent related appeal or original proceeding was previously filed or assigned, pursuant to TEX. GOV'T CODE ANN. § 22.202(h) (Vernon 2004), which provides for companion cases to be assigned to the same court of appeals.Tex. 1st. Ct. App. L. R. 1.4