Any customer billing issued by a light or power business or gas distribution business that serves a total of more than twenty thousand customers and operates within the state shall include the following information:
(1) The rates and amounts of taxes paid directly by the customer upon products or services rendered by the light and power business or gas distribution business; and
(2) The rate, origin and approximate amount of each tax levied upon the revenue of the light and power business or gas distribution business and added as a component of the amount charged to the customer. Taxes based upon revenue of the light and power business or gas distribution business to be listed on the customer billing need not include taxes levied by the federal government or taxes levied under chapters 54.28
, 80.24, or 82.04
Effective date—1988 c 228:
"This act shall take effect on January 1, 1989." [ 1988 c 228 § 2.