Saving for powers of Post Office
83Except as provided by section 220 of this Act, nothing in the provisions of this Act specified in Part I of Schedule 21 to this Act or in any order or regulations made thereunder shall affect any powers or duties of the Post Office under the provisions of the Telegraph Acts 1863 to 1916 or apply to any telegraphic lines (within the meaning of the [1878 c. 76.] Telegraph Act 1878) placed or maintained by virtue of any of the provisions of those Acts.