Sales to Native Americans or tribal councils by vendors located within the Town shall be deemed sales within the Town, unless all of the following conditions exist:
(1) the vendor has properly accounted for such sales, in a manner similar to the recordkeeping requirements for out-of-Town sales; and,
(2) all of the following elements of the sale exist:
(A) solicitation and placement of the order occurs on the reservation; and
(B) delivery is made to the reservation; and
(C) payment originates from the reservation.