SECTION 1.  Section 10 of chapter 306 of the acts of 2008 is hereby amended by inserting before the word “The”, the first time it appears, the following word:- (a).

SECTION 2. Said section 10 of said chapter 306, as so appearing, is hereby further amended by adding the following 2 paragraphs:-

(b) Notwithstanding any general or special law to the contrary, the conservancy may lease Parcel 14 as shown on the plan, or a portion thereof, to the National Park Service for a period not to exceed the term of the lease executed between the authority and the conservancy pursuant to subsection (a); provided, that any lease shall contain the restriction required pursuant to subsection (c).

(c) Notwithstanding any general or special law to the contrary, the lease described in subsection (b) shall be subject to a restriction limiting the use of the parcel to the construction and operation of a public information pavilion and services related thereto by the Boston Harbor Island Alliance for visitors to the Boston Harbor Islands National Recreation Area. If at any time the parcel described in subsection (a) ceases to be used for the purposes described in this subsection the conservancy shall provide written notice to the Boston Harbor Island Alliance of the unauthorized use. The Boston Harbor Island Alliance shall, upon receipt of the notice, have 30 days to respond and a reasonable time to establish an authorized use of the parcel. If an authorized use of the parcel is not thereafter established, the lease of the parcel, upon the recording of a notice thereof by the conservancy in the appropriate registry of deeds, shall terminate and any further disposition of the parcel shall be subject to the approval of the conservancy and the secretary of the Massachusetts department of transportation.