definiens: shall mean with respect to any Product, the gross amount invoiced by Indevus or its Affiliatesor Sublicensee from sales of Product in the Territory, commencing upon the date of First Commercial Sale, less deductions for : ( a ) transportation charges ( freight, shipping and distribution ), including insurance actuallypaid for distribution of Product ; ( b ) sales, value - added and excise taxes, and other taxes, duties or surchargespaid or allowed by a selling party and any other governmental charges imposed upon the sale or use ofProduct ; ( c ) any other fees paid to distributors, consignees or agents in connection with the sale of Product;(d ) allowances or credits to customers, not in excess of the selling price of Product, on account ofgovernmental requirements, rejection, outdating or return of Product ; ( e ) rebates or premiums granted orallowed to customers in connection with the sale of Product ; ( f ) trade, quantity, or cash discounts, chargebacks or retroactive price reductions granted in connection with the sale of Product ; and ( g ) write offs forbad debts . Net Sales shall be determined at the time such Net Sales are recognized as revenue in accordancewith GAAP by Indevus and all accounting terms used shall be interpreted in accordance with GAAP