297.0.10. If an approval granted by the Minister under section 297.0.7 in respect of a network seller and each of its sales representatives is in effect and, at any time, the network seller or a sales representative of the network seller makes in Québec a taxable supply by way of sale of a sales aid of the network seller or of the sales representative, as the case may be, to a sales representative of the network seller, the supply is deemed not to be a supply.