Sec. 56.004.  PRIORITY.  (a)  The lien does not affect an encumbrance that attached to land or a leasehold before the lien's inception.
(b)  The lien on material, machinery, supplies, or a specific improvement takes priority over an earlier encumbrance on the land or leasehold on which the material, machinery, supplies, or improvement is placed or located.
Acts 1983, 68th Leg., p. 3567, ch. 576, Sec. 1, eff. Jan. 1, 1984.