Enterprise and National offers additional benefits for the use of all vehicles for personal use by State of Texas employees. The corporate ID number to identify you as a State Employee on "personal use" is TX999. If you are booking your personal use reservation online at www.enterprise.com you will use TX999 as your corporate ID number and TEX for your pin/password. If you are booking on www.nationalcar.com enter in TX999 in the Contract ID field. Rates are extended nationwide. CDW and Liability Coverage are not included for personal use rentals.