definiens: shall mean the following actual, documented costs incurred by the seller ( eitherBioenvision or Sales Partner ) that relate specifically to the sale of the Product for which Net SalesRevenue is being calculated : ( i ) value added, sales, or use taxes, duties or other governmentaltariffs ; ( ii ) trade, quantity and cash discounts, credits, rebates, or allowances ; ( iii ) Product returnsand bad debts ; ( iv ) freight, shipping, transportation, and insurance charges ; ( v ) discounts mandatedby, or granted to meet the requirements of, applicable territorial laws or regulations ; ( vi ) marketbased commissions paid to unaffiliated contract sales organizations under non - exclusive salesarrangements, not to exceed 8.0 % unless agreed to in advance in writing by SRI ; and ( vii ) any othercustomary and reasonable deductions that may be made from the sales price of the Product in theTerritories