Sec. 1. Section 227 of the National Internal Revenue Code, as amended, is hereby further amended to read as follows:
"Sec. 227. Tax on franchises. Any provision of general or special law to the contrary notwithstanding, there shall be levied, assessed and collected in respect to all franchises, upon the gross receipts from the business covered by the law granting the franchise, a tax in accordance with the schedule prescribed hereunder:
(a) On electric utilities, city gas and water supplies Two (2%) per cent
(b) On telephone and/or telegraph systems, and radio broadcasting stations Three (3%) per cent
(c) On other franchises Five (5%) per cent
The grantee shall file the return with, and pay the tax due therein to, the Commissioner of Internal Revenue or his duly authorized representative in accordance with the provisions of Section 162 of this Code, and the return shall be subject to audit by the Bureau of Internal Revenue, any provision of any existing law to the contrary notwithstanding."