Special assessments or special levies heretofore imposed by legislative authority, which are now a lien upon the lands, title to which is in the Board of Trustees of the Internal Improvement Trust Fund, shall continue as a lien subject to payment as provided for in s. 270.24; provided, however, that the provisions of this section shall not operate to extinguish or impair any obligation heretofore imposed upon said lands to pay special assessments or special taxes heretofore levied.
Fla. Stat. § 270.25