definiens: means, for any period, the gross amount invoiced by I - MAB, its Sublicensees or any of its or their respective Affiliates forthe sale of the Licensed Product ( the ), less deductions for : ( a ) normal and customary trade, quantity and cashdiscounts and sales returns and allowances, including those granted on account of price adjustments, billing errors, rejected goods, damaged goods and returns, and chargebacks ; ( b ) freight, postage, shipping and insurance expenses to the extent that such items areincluded in the gross amount invoiced ; ( c ) sales taxes and other governmental charges ( including value added tax ) to the extent billedseparately on the invoice and actually paid in connection with the sale but only to the extent actually included in gross sales ; and(d ) rebates and similar payments made with respect to sales paid for by any Regulatory Authority . Any of the deductions listed abovethat involves a payment by I - MAB, its Sublicensees or any of its or their respective Affiliates shall be taken as a deduction in theCalendar Quarter in which the payment is accrued by such entity . The methodology for calculating ( a ) — ( d ), on a country - by - countrybasis, shall conform to International Financial Reporting Standards consistently applied by I - MAB