If the Date of Initial REC Delivery is December 15, 2015 then the Delivery Term Start Date shall be January 1, 2016. As stated in Article 8.2, the Seller may invoice for RECs Delivered prior to the Delivery Term Start Date on or before the 20th Day of the first Contract Quarter of the Delivery Term (i.e., January 20, 2016). The Seller may include in the first invoice instructions for the return of its Performance Assurance.