2009—Puspan. L. 111–11 substituted “Barataria Preserve Unit” for “Barataria Marsh Unit” in first sentence and inserted “(or January 1, 2007, for areas added to the park after that date)” after “January 1, 1977” in fifth sentence.

Secretary means the Secretary of the Interior, see section 2 of Puspan. L. 95–625, set out as a note under section 45f of this title.