of which $13,100,000, to remain available until expended, shall be used for transition and equipment purchases for the National Bio and Agro-Defense Facility located in Manhattan, Kansas: Provided , That of the amounts available to the Agricultural Research Service for the National Bio and Agro-Defense Facility, no funds may be obligated above the amount provided for the facility in P.L. 116–6 until the Secretary of Agriculture submits to the Committees on Appropriations of both Houses of Congress, and receives written or electronic notification of receipt from such Committees, a strategic plan as required in the report accompanying this Act: Provided further , That appropriations hereunder shall be available for the operation and maintenance of aircraft and the purchase of not to exceed one for replacement only: Provided further , That appropriations hereunder shall be available pursuant to 7 U.S.C. 2250 for the construction, alteration, and repair of buildings and improvements, but unless otherwise provided, the cost of constructing any one building shall not exceed $500,000, except for headhouses or greenhouses which shall each be limited to $1,800,000, except for 10 buildings to be constructed or improved at a cost not to exceed $1,100,000 each, and except for two buildings to be constructed at a cost not to exceed $3,000,000 each, and the cost of altering any one building during the fiscal year shall not exceed 10 percent of the current replacement value of the building or $500,000, whichever is greater: Provided further , That appropriations hereunder shall be available for entering into lease agreements at any Agricultural Research Service location for the construction of a research facility by a non-Federal entity for use by the Agricultural Research Service and a condition of the lease shall be that any facility shall be owned, operated, and maintained by the non-Federal entity and shall be removed upon the expiration or termination of the lease agreement: Provided further , That the limitations on