Nothing in this article shall be construed as a limitation on the ability of the county
to receive, expend or pledge additional revenue relating to the income, operation,
construction, or promotion of the center for purposes relating to implementation of
the tourist development plan and this article. For purposes of this section, additional
revenue shall be defined as including, but not limited to: parking and concession
revenue derived from the center; operational income revenue derived from the center;
federal, state, municipal or other grants designated to assist in the construction,
operation, or promotion of the center, or implementation of the tourist development
plan and revenue from contractual agreements with landowners either donating land
for the center or owning land in the vicinity of the center to be constructed under
the tourist development plan. The county shall have the right to issue revenue bonds
pledging any or all of such additional revenue to be used for any purpose set forth
in the tourist development plan.