(2)
Subject to paragraph (3)(B), the Secretary shall—
(A)
not later than one year after the date on which the invitation is issued under paragraph (1), enter into an agreement to carry out one colocation under this subsection; and
(B)
within 180 days after entering into the agreement referred to in subparagraph (A), enter into agreements to carry out two additional colocations,
unless the Secretary determines that it is not economically feasible for the Department to undertake them, taking into consideration all of the tangible and intangible benefits associated with such colocations.