(a) Sales of cigarettes made on the Wind River Indian Reservation to non-Indians are subject to the cigarette tax. All Indian, Tribal Vendors or non-Indian wholesalers shall keep complete and accurate records in this state of all cigarettes purchased and sold for three years. Such records shall consist of purchase invoices, freight bills, and sales invoices.
(b) The Native American or Tribal Vendor may purchase cigarettes without the Wyoming Tax stamp and remit the taxes due on sales to non-Indian customers in the following manner:
(c) Sales of cigarettes to Native American outside of the Wind River Indian Reservation are subject to the tax and cigarette stamp indicating payment of tax shall be affixed to each package sold.
(d) Sales of cigarettes made on the Wind River Indian Reservation to Native American customers are exempt from Wyoming cigarette tax.
011-4 Wyo. Code R. § 4-6