Panelized Construction; Authorizes counties & municipalities to authorize & approve panelized construction on certain property; defines "panelized construction"; provides that panelized construction is considered open construction & is authorized under Florida Building Code & only subject to local permitting; provides that certain panelized construction is not considered dwelling unit for purposes of Florida Building Code; specifies manner in which panelized construction is approved; provides that panelized construction meets requirements of local product approval.