A pledge may be given to secure the performance of any lawful obligation, including obligations that arise in the future. As to all obligations, present and future, secured by the pledge, notwithstanding the nature of the obligations or the date they arise, the pledge has effect between the parties from the time that the requirements for formation of the contract of pledge are satisfied and has effect as to third persons from the time that the applicable requirements of Articles 3153 through 3155 are satisfied.
La. C.C. § 3146