Section 54.022 - Commercial Building(a) The lien is unenforceable for rent on a commercial building that is more than six months past due unless the landlord files a lien statement with the county clerk of the county in which the building is located.(b) The lien statement must be verified by the landlord or the landlord's agent or attorney and must contain: (1) an account, itemized by month, of the rent for which the lien is claimed;(2) the name and address of the tenant or subtenant, if any;(3) a description of the leased premises; and(4) the beginning and termination dates of the lease.(c) Each county clerk shall index alphabetically and record the rental lien statements filed in the clerk's office. Acts 1983, 68th Leg., p. 3559, ch. 576, Sec. 1, eff. 1/1/1984.