(a) In a municipality that has adopted the tax authorized by this chapter, there is imposed an excise tax on the use, storage, or other consumption within the municipality of taxable items purchased, leased, or rented from a retailer during the period that the tax is effective within the municipality. The rate of the excise tax is the same as the rate of the sales tax portion of the tax and is applied to the sales price of the taxable items.
(b) In a municipality that has adopted the tax authorized by this chapter, there is imposed an excise tax on the use, storage, or other consumption of gas or electricity for residential purposes and purchased from any retailer during the period that the tax is effective within the municipality. The tax is imposed at the same rate as the tax provided by Subsection (a).