definiens: shall mean, with respect to all sa les of Generic Product sold on or after April 1, 2011 and all related calculations, the gross inv oice price of sales of Generic Product in the Territory by Impax and its Affiliates to unaffiliat ed Third Parties, less all applicable deductions permitted by GAAP including, without lim itation ( i ) trade discounts, ( ii ) promotional allowances, ( iii ) cash discounts, ( iv ) customer refunds and credits, ( v ) returns, ( vi ) reprocurement charges, ( vii ) customer and gove rnment rebates ( viii ) chargebacks, ( ix ) retroactive price or shelf stock adjustments and pr ice equalizations ; ( x ) Impax 's actual freight, storage, and insurance expense, ( xi ) administrative fees, ( xii ) fees for management and service of Third Party contracts including contract mainten ance, chargeback processing, credit and collections and store level delivery, ( xiii ) market ing and administration fees to cover national inventory costs, contract handling, and chargeback maintenance costs, and ( xiv ) program fees for the administration of a private label generic p rogram . [ * * * ] . [ * * * ] Certain information in this document has been omitted and filed separately with the Securities and Exchange Commission . Confidential treatment has been request ed with respect to the omitted portions