§ 29-3-102 — Nonimpairment of lien attached to estate less than fee or to equitable or legal contingent interest

(a) If a lien as provided by this chapter attaches to an
estate less than the fee, forfeiture of the estate shall not
impair any lien which attaches prior to forfeiture as to
material, appurtenances and fixtures previously located on the
estate.
(b) If a lien provided in this chapter attaches to an
equitable interest or to a legal interest contingent upon the
happening of a condition subsequent, failure of the interest to
ripen into legal title or failure of the condition subsequent
shall not impair any lien as to material, appurtenances and
fixtures located thereon to which the lien attached prior to the
failure.