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 the Laws of the State of New Mexico shall govern with respect to procedural and substantive matters relating to the creation, perfection and enforcement of the Liens and other rights and remedies of the Mortgagee granted herein.