In counties or municipalities supporting airport authorities, a levy in addition to all other levies permitted by law, not to exceed two dollars and forty cents per thousand dollars of taxable valuation of property in such county or municipality, may be made for such purposes, but such county levy may not apply to any municipality levying hereunder.

Source: SL 1976, ch 303, § 24; SL 1989, ch 87, § 15G.