No tax is imposed by this subchapter with respect to any transaction in interstate commerce or otherwise to the extent to which such business may not, under the Constitution and statutes of the United States, be made subject to taxation by this state or any political subdivision thereof; nor shall any persons engaged in the business of distributing, supplying, furnishing or selling gas, or electricity, or engaged in the business of transmitting messages be subject to taxation under the provisions of this subchapter for such transactions as are or may become subject to taxation under the provisions of the “Municipal Retailers' Occupational Tax Act” authorized by the Illinois Municipal Code, ILCS Ch. 65, Act 5, § 8-11-1, approved July 25, 1961, as amended.
(`95 Code, § 35.27) (Ord 66-4, passed - - ; Am. Ord. 69-1, passed - - )