(a) A relocated sign must be constructed with the same number of poles and of the same type of materials as the existing sign. A relocated sign may not exceed the maximum height provided by §21.432 of this subchapter (relating to Height Restrictions). The number of sign faces and lighting, if any, of the relocated sign may not exceed the number of faces or lighting of the existing sign.
(b) The size of each of the sign faces of a relocated sign that are visible to approaching traffic may not exceed the size of the existing sign face.
(c) The sign faces of a relocated sign may be placed back-to-back, side-by-side, stacked, or in "V" type construction with not more than two displays facing any direction, except that if the area of a sign face exceeds 350 square feet, sign faces may not be stacked or placed side-by-side. The sign structure and sign faces are considered one sign.

Source Note: The provisions of this §21.437 adopted to be effective July 1, 2011, 36 TexReg 2418