50% of all revenues received (without deduction for value added tax, if any) by Licensee from a Redistributor or Customer relating to maintenance and support services or services for Upgrades or upgrades of systems for such Licensed Product. Section 3.2 TERMS OF PAYMENT. All fees due to Licensor under this Agreement shall be paid in U.S. Dollars. Fees due to Licensor from invoices rendered by Licensee during the first year of the term hereof will be payable one hundred and twenty (120) days after the date of the Licensee's invoice to a Redistributor or Customer, as the case may be. Fees due to Licensor from invoices rendered on or after the first day of the thirteenth (13th) month through and including the last day of the eighteenth (18th) month of the term hereof will be payable ninety (90) days after the date of such invoice. Fees due to Licensor from invoices rendered thereafter will be payable sixty (60) days after the date of such invoice. Any amount that is not paid when due will bear simple interest from the date such amount is due until the date payment is made at a rate equal to 10% per annum. ARTICLE 4 ORDER, DELIVERY AND ACCEPTANCE Section 4.1 ORDER AND DELIVERY. Licensee shall deliver to Licensor product orders (or other documents of similar purpose and effect) in writing that are signed by an authorized representative of Licensee and that list the quantity, product name, number, version, license fee and 4 proposed delivery date for such order. Licensor shall ship Licensed Products and Documentation in accordance with Licensee's product orders received and accepted by Licensor. Licensor shall ship Licensed Products and Documentation F.O.B. Licensor's place of business. Licensee shall be responsible for all customs fees and other costs and expenses arising in connection