; and (B) installing the necessary boundary fencing due to the changes in the boundary of Air Force Plant 44. (c) Direct payment of consideration to government contractors The Secretary may require that any cash consideration to be received under this section be paid, directly or through the Air Force design and construction agent, to the contractors performing design or construction of the real property improvements described in subsection (a)(3). (d) Payment of costs of conveyances (1) Payment required The Secretary may require TAA to cover costs to be incurred by the Secretary to carry out the land exchange and other transactions authorized under this section, or to reimburse the Secretary for such costs, including survey costs, appraisal costs, costs related to environmental documentation, and other administrative costs related to the conveyances. If amounts are collected from TAA in advance of the Secretary incurring the actual costs, and the amount collected exceeds the costs actually incurred by the Secretary to carry out such transactions, the Secretary shall refund the excess amount to TAA. (2) Treatment of amounts received Amounts received as reimbursements under paragraph (1) shall be used in accordance with section 2695(c) of title 10, United States Code. (e) Description of property The exact acreage and legal description of the real property to be exchanged under this section shall be determined by a survey satisfactory to the Secretary. (f) Additional terms and conditions The Secretary may require such additional terms and conditions in connection with the land exchange and other transactions under this section as the Secretary considers appropriate to protect the interests of the United States. Without limiting the foregoing, the Secretary may establish a deed restriction on any part of the 58 acres described in subsection (a)(1) to accommodate existing Quantity Distance arcs. 2822. Land conveyance, Eglin Air Force Base, Florida (a) Conveyance authorized The Secretary of the Air Force may convey,