(2) Homestead exemptions from ad valorem taxation levied by local taxing jurisdictions may be granted by local law conditioned upon approval by a majority of the qualified electors residing within the limits of the local taxing jurisdiction voting in a referendum thereon.
(3) Laws subject to the requirement of a referendum as provided in this subparagraph (a) may originate in either the Senate or the House of Representatives.
(4) The requirements of this subparagraph (a) shall not apply with respect to a law which codifies or recodifies an exemption previously authorized in the Constitution of 1976 or an exemption authorized pursuant to this Constitution.
