Sections 2.1060 to 2.1084 of this code shall be applicable to all conversions of rental housing units to condominiums for which a declaration of unit ownership under state law is filed after June 16, 1980. Sections 2.1060 to 2.1084 of this code apply to the conversion of rental housing units to cooperative apartments, including limited equity stock cooperatives and market stock cooperative units, where articles of incorporation are filed and shares are sold after June 16, 1980. Sections 2.1060 to 2.1084 of this code do not apply to any condominium conversion granted an exemption from the operation of the moratorium under Ordinance No. 18535 and for which project either a public report issued under Oregon Laws, 1977, ch. 484, section 6 or a waiver thereof issued under Oregon Laws, 1977, ch. 484, section 9.