definiens: shall mean, for any period, the gross amount invoiced by BioTie and its Affiliates andSublicensees for the sale of Product(s ) to third parties, less deductions for : ( a)normal and customary trade, quantity and cash discounts and sales returns and allowances ( other thanallowances for doubtful accounts ), including ( i ) those granted on account of price adjustments, billing errors, rejected goods, damaged goods, returns and rebates, ( ii ) administrative and other fees and reimbursementsand similar payments directly related to the sale or delivery of Product(s ) paid to wholesalers and otherdistributors, buying groups, pharmacy benefit management organizations, health care insurance carriers andother institutions, ( iii ) allowances, rebates and fees directly related to the sale or delivery of Product(s ) paidto distributors and ( iv ) chargebacks ; 6CONFIDENTIAL TREATMENT REQUESTED UNDER RULE 406 UNDERTHE SECURITIES ACT OF 1933, AS AMENDED