Section 7. - [Rights of bondholders saved from impairment.]

The legislature does hereby covenant with the holders of such bonds that it will not enact any law which will repeal, impair or amend in any manner the rights of such holders or the security of the funds which may be pledged to the payment of the principal of and interest on the bonds issued pursuant to the provisions of this act. (Laws of Fla., Ch. 80-513, § 7)