A security deposit is any advance of money, other than a rental application deposit or an advance payment of rent, that is intended primarily to secure performance under a lease of a dwelling that has been entered into by a landlord and a tenant.Acts 1983, 68th Leg., p. 3639, ch. 576, Sec. 1, eff. Jan. 1, 1984. Amended by Acts 1995, 74th Leg., ch. 744, Sec. 2, eff. Jan. 1, 1996.