definiens: means with respect to any Licensed Product, the gross amounts invoiced by a Selling Party from Third Party customers for sales o f such Licensed Product, less the following deductions, to the extent such items are actually incurred, allowed, paid, accrued or specifically allocated or estimated in its financial statements in accordance with such Selling Party ’s accounting principles that are directly attributable to such sale in the market in which such sale occurred, ( in each case, if not previously deducted from the amount invoiced ) and consistent with customary business practices : 13 CERTAIN CONFIDENTIAL PORTIONS OF THIS EXHIBIT WERE OMITTED AND REPLACED WITH . A COMPLETE VERSION OF THIS EXHIBIT HAS BEEN FILED SEPARATELY WITH THE SECRETARY OF THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO AN APPLICATION REQUESTING CONFIDENTIAL TREATMENT PURSUANT TO RULE 24B -2 PROMULGATED UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED