If any person or corporation licensed by the mayor to carry on, engage in, or conduct any business or occupation required to be licensed by the provisions of this code and being designated in his or its license a particular place in which such business was licensed to be carried on, engaged in or conducted, shall, before the expiration of such license, change the location of such place of business, he or it shall first obtain the approval of the mayor and shall forthwith notify the clerk of such fact and no business shall be carried on, engaged in or conducted under authority of such license at such new location until notice of such change has been given as herein provided. (R.O. 1959, Ch. 24, Art. 1, Sec. 8)