Provisions added by amendments of this act to Kan. Stat. Ann. § 79-201a and Kan. Stat. Ann. §§ 79-251 and amendments thereto, and Kan. Stat. Ann. § 1997 Supp. 12-1749d, and amendments thereto, shall not be applicable with respect to the exemption of property constructed or purchased by revenue bonds for which a city or county has issued a letter of intent, resolution of intent or inducement resolution prior to the effective date of this act or with respect to property exempted pursuant to section 13 of article 11 of the Kansas constitution by resolution or ordinance of a board of county commissioners of any county or a governing body of any city enacted prior to the effective date of this act.