Section 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.