2.1 Novo Nordisk and Supplier will agree a price for each job that the Supplier has agreed to take on. The agreed price will be placed on a Novo Nordisk purchase order and a signed copy will be supplied to the Supplier. The purchase price falls due for payment 30 days after the invoice date. The 30 days run once all the requirements specified by Novo Nordisk have been met and a correct invoice has been received. Payment is to be made in THB unless otherwise specified in the purchase order.