Rule 68D-18.004, Florida Administrative Code, required that special purpose marker buoys shall be a certain shape and size to mark special marine events and established a requirement to make such a request that is similar as waterway markers permitted pursuant to Chapter 68D-23, Florida Administrative Code. Rule 68D-18.005, Florida Administrative Code, prohibited the placement of regulatory markers in or over the Florida Intracoastal Waterway without a permit from the Division of Law Enforcement and required such requests to be made by application and accompanying documentation.