definiens: means with respect to Royalty Bearing Product the gross amount invoiced to a Third Party for RoyaltyBearing Product by ADVAXIS or its Affiliates or any of their respective licensees or sub - licensees, and in each caseto extent included in the gross amount invoiced after deducting the following related to the applicable Royalty BearingProduct : ( a ) trade, quantity and/or cash discounts, allowances or rebates, including promotional, service or similardiscounts or rebates and discounts or rebates to governmental or managed care organizations, to the extent actuallygiven or allowed in connection with Royalty Bearing Product ; ( b ) credits or allowances actually granted with respect to Royalty Bearing Products by reason of rejection, defects, recalls or returns, or chargebacks ; ( c ) any tax, tariff, duty or government charge ( including any Indirect Taxes, import or customs duty or similar taxor government charge, but excluding any income tax ) levied on the sale, transfer, delivery and/or transportation of theRoyalty Bearing Product ; and ( d ) a reasonable allowance for bad debt, which allowance for bad debt for a calendar year shall be adjusted in thelast Quarter of a calendar year to reflect the amount of bad debt actually written off for sale of Royalty BearingProduct for that calendar year