definiens: shall mean the amount of gross sales of Productinvoiced by or on behalf of the Selling Party ( including, for purposes of this Section 1.31, any Third Party acquiror ofrights in the applicable Product ) and its Affiliates ( which, if [COMPANY] is the Selling Party, shall include Genentech solelyfor purposes of this definition, and notwithstanding the definition of in Section 1.3 ), licensees andsublicensees to Third Parties that are not Affiliates, licensees or sublicensees of the Selling Party, less deductions ofreturns and return reserves ( including allowances actually given for spoiled, damaged, out - dated, rejected, returnedProduct sold ), withdrawals and recalls, rebates ( including price reductions, rebates to social and welfare systems, chargebacks or reserves for chargebacks, cash sales incentives, cash discounts, government mandated rebates andsimilar types of rebates, e.g