This Mortgage is intended to be performed in the State of Texas and the substantive Law of such State and or the United States of America shall govern the validity, construction, enforcement and interpretation of this Mortgage, unless otherwise specified herein, except that to the extent that the Law of the state in which a portion of the Mortgaged Property is located (or that is otherwise applicable to a portion of the Mortgaged Property) necessarily or, in the sole discretion of Mortgagee, appropriately governs with respect to procedural and substantive matters relating to the creation, perfection and enforcement of the Liens and other rights and remedies of Mortgagee granted herein, the Laws of such state shall apply as to that portion of the Mortgaged Property located in (or otherwise subject to the Laws of) such state.