definiens: means the amount collected from the sale of Paten t Products by Prometheus, an Affiliate, a Joint Venture, or a sublicensee to independent th ird parties for cash or other forms of consideratio n in accordance with generally accepted accounting princ iples limited to the following deductions ( if not a lready deducted from the gross invoice price and at rates customary within the industry ): ( a ) allowances ( act ually paid and limited to rejections, returns, and prompt paym ent and volume discounts granted to customers of Pa tent Products, whether in cash or Patent Products in lie u of cash ) ; ( b ) freight, transport packing, insuran ce charges associated with transportation ; and ( c ) taxes, tari ff, or import / export duties based on sales when inc luded in gross sales, but not value - added taxes or taxes assessed on income derived from such sales . Where Prometheus distributes Patent Products for end use to itself, an Affiliate, a Joint Venture, or a sublicensee, th en such distribution will be considered a sale at the price normally charged to independent third parties, and The Regents will be entitled to collect a royalty on such sale in accordance with Article 3 . ( Royalties )