qualified under subsection (a) and subject to the mitigation described in subsection (a) shall not be subject to any further regulatory or enforcement action by any Federal, State, local, or Tribal government for any action related to aquatic invasive species. (c) Courses The Secretary of the Interior shall publish, and periodically revise, a list of acceptable courses on mitigating the spread of aquatic invasive species by aircraft. (d) Aquatic invasive species For the purposes of this section, the term aquatic invasive species means aquatic organisms that invade ecosystems beyond their natural, historic range and whose presence may harm human health, native ecosystems, or commercial, agricultural, or recreational activities dependent on these ecosystems. 5. Modification of Federal Aviation Administration tower marking requirements Section 2110(b)(1)(A)(ii) of the FAA Extension, Safety, and Security Act of 2016 ( 49 U.S.C. 44718(b)(1)(A)(ii) note) is amended— (1) by redesignating subclauses (IX) and (X) as subclauses (X) and (XI), respectively