(a) A contract of sale of improved residential real property shall disclose to the initial purchaser and any subsequent purchaser, during the life of the assessment, the estimated or actual costs, if known, of any deferred costs attributable to the improvement or construction of any transportation-related facility, for which the purchaser shall become liable pursuant to an agreement with Montgomery County.
(b) In addition to the penalties of section 40-14, violation of this section entitles the purchaser to recover from the seller two (2) times the amount of the costs he is required to pay.
(c) A notice contained in a contract of sale which is in substantial conformance with the following form shall constitute compliance with this section: "Seller herewith informs purchaser of the existence of deferred charges attributable to transportation-related facilities for which purchaser assumes liability in the estimated amount of $________ dollars." (1983 L.M.C., ch. 53, § 1)