Section 18-42-104 - Filing and indexing of contracts(a) A copy of the contract or the original shall be filed in the recorder's office of the proper county. The filing shall be sufficient notice of the existence of the lien.(b) No third party shall be prejudiced by the existence of the lien, nor in any manner liable under a provision of this chapter unless a copy of the contract is filed in the recorder's office as provided.Acts 1883, No. 96, § 4, p. 176; C. & M. Dig., §§ 6883, 6884; Pope's Dig., §§ 8839, 8840; A.S.A. 1947, § 51-506; Acts 2005, No. 917, § 2.