definiens: means, the Gross Revenue net of any of the following:(a ) normal, customary and actual quantity, trade or cash allowance / discounts, credits or volumediscounts, and other price reductions with respect to Licensed Products;(b ) credits, rebates or allowances because of billing errors, damaged, outdated, obsolete, nonconforming, rejected, re - worked or recalled goods or services or returns with respect toLicensed Product(s);(c ) freight, postage, shipping and insurance charges incurred in transporting the LicensedProduct(s ) to the Third Party or its designee ; and(d ) taxes including sales, use, value - added, and other direct taxes, customs, duties, tariffs, surcharges, or other governmental charges ( other than income taxes ) levied on, absorbed orotherwise imposed on sales of Licensed Product(s);with ( a ) - ( d ) to be as determined from the books and records of Avro and/or its Affiliate(s ) and / orpermitted Sublicensee(s ), maintained in accordance with generally accepted accountingprinciples