If Tenant signs as a corporation, limited liability company or partnership, the person executing this Lease on behalf of Tenant hereby represents and warrants that Tenant is duly formed, validly existing, in good standing (with respect to a corporation or limited liability company), and qualified to do business in Texas, that the Tenant has full power and authority to enter into this Lease and that he or she is authorized to execute this Lease on behalf of the Tenant. Upon execution of this Lease, Tenant shall provide Landlord with (a) a secretary’s certificate from the secretary of said limited liability company certifying as to the above in the form of the attached Exhibit D . At the request of Landlord, Tenant shall provide to Landlord copies of Tenant’s organizational documents and such incumbency certificate and minutes certified by an authorized representative of Tenant as being true, correct, and complete, as may be reasonably required to demonstrate that this Lease is binding upon and enforceable against Tenant.