, acting through the National Park
Service, shall take appropriate actions to implement to the extent practicable the park management plan
established pursuant to section 410cc–21(b) of this title
. In carrying out such plan, the Secretary shall administer the park in accordance with laws, rules, and regulations applicable to the national park system. Before the date on which the Commission conducts its first meeting, the Secretary may take any other action the Secretary deems necessary to provide owners of property with national historic or cultural significance within the park or preservation district with emergency assistance for the purpose of preserving and protecting their property in a manner consistent with the purpose of this subchapter.