(a) Filing. Any person claiming a lien on real property, under the provisions of Kan. Stat. Ann. § 60-1101, and amendments thereto, shall file with the clerk of the district court of the county in which property is located, within four months after the date material, equipment or supplies, used or consumed was last furnished or last labor performed under the contract a verified statement showing:

(1) The name of the owner,

(2) the name and address sufficient for service of process of the claimant,

(3) a description of the real property,

(4) a reasonably itemized statement and the amount of the claim, but if the amount of the claim is evidenced by a written instrument, or if a promissory note has been given for the same, a copy thereof may be attached to the claim in lieu of the itemized statement.

(b) Recording. Immediately upon the receipt of such statement the clerk of the court shall index the lien in the general index by party names and file number.

(c) Notwithstanding subsection (a), a lien for the furnishing of labor, equipment, materials or supplies on property other than residential property may be claimed pursuant to this section within five months only if the claimant has filed a notice of extension within four months since last furnishing labor, equipment, materials or supplies to the job site. Such notice shall be filed in the office of the district court of the county where such property is located and shall be mailed by certified and regular mail to the owner. The notice of extension shall be deemed sufficient if in substantial compliance with the form set forth by the judicial council.

(d) As used in this section and Kan. Stat. Ann. § 60-1103, and amendments thereto, “residential property” means a structure which is constructed for use as a residence and which is not used or intended for use as a residence for more than two families.