Modification or Extensions. No modification or extension of this Lease shall be binding upon the parties hereto unless in writing and unless signed by the parties hereto.
Modification or Extensions. No holding over by Tenant shall operate to renew or extend this lease without the written consent of Landlord. No modification of this lease shall be binding unless endorsed hereon or otherwise written and signed by the respective parties.
Modification or Extensions. No holding over by Tenant shall operate to renew or extend this Lease without the Written consent of Landlord given in conformity with requirements of any provision of the laws of the State of Colorado, which may relate to such renewal or extension. No modification of the Lease shall be binding unless endorsed heron or attached hereto and signed by the respective parties.