(1) Except as provided in paragraph (2), the cost authorized for a land acquisition project may be increased by not more than 25 percent of the amount appropriated for the project by Congress or 200 percent of the amount specified by law as the maximum amount for a minor military construction project, whichever is lesser, if the Secretary concerned determines
(A) that such an increase is required for the sole purpose of meeting unusual variations in cost, and
(B) that such variations in cost could not have been reasonably anticipated at the time the project was originally approved by Congress.
(2) Until subsection (d) is complied with, a land acquisition project may not be placed under contract if, based upon the agreed price for the land or, in the case of land to be acquired by condemnation, the amount to be deposited with the court as just compensation for the land
(A) the scope of the acquisition, as approved by Congress, is proposed to be reduced by more than 25 percent; or
(B) the agreed price for the land or, in the case of land to be acquired by condemnation, the amount to be deposited with the court as just compensation for the land, exceeds the amount appropriated for the project by more than
(i) 25 percent, or
(ii) 200 percent of the amount specified by law as the maximum amount for a minor military construction project, whichever is lesser.