The term of this Lease shall be for a period beginning on the Commencement Date and continuing for the Original Term and any extension thereof in accordance with the provisions of this Lease, unless sooner terminated as hereinafter provided. When the dates of the beginning and end of the Original Term have been determined such dates shall be evidenced by a confirmatory document executed by Landlord and Tenant in the form substantially as shown on Exhibit E hereto and delivered each to the other, but the failure of Landlord and Tenant to execute or deliver such document shall have no effect upon such dates. The Original Term and any extension thereof in accordance with the provisions of this Lease is hereinafter referred to as the “ term ” of this Lease.