297.6. Where a direct seller has made a supply of an exclusive product of the direct seller in circumstances in which an amount was required under section 297.2 to be added in determining the net tax of the direct seller and an independent sales contractor of the direct seller subsequently supplies the product to the direct seller in a reporting period of the direct seller, the following rules apply:(1) the supply by the contractor is deemed not to be a taxable supply; and
(2) the direct seller may deduct an amount equal to that amount in determining the net tax of the direct seller for the particular reporting period in which the direct seller pays such an amount to, or credits in favour of, the contractor, or for any subsequent period ending on or before the day that is four years after the day the particular period ends.