Sales tax.

Sales tax.
(1) The term “sales tax” means a tax imposed upon persons engaged in selling tangible personal property, or upon the consumers of such property, including persons selling gasoline or other motor vehicle fuels at wholesale or retail, which is a stated sum per unit of property sold or which is measured by the gross sales price or the gross receipts from the sale. The term also includes a tax imposed upon persons engaged in furnishing services which is measured by the gross receipts for furnishing such services.
(2) In general, the term “consumer” means the ultimate user or purchaser; it does not include a purchaser such as a retailer, who acquires the property for resale.

Source

26 CFR § 1.164-3


Scoping language

None
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