PUBLIC LAW 102-389—OCT. 6, 1992 106 STAT. 1609 tion; not to exceed $35,000 for official reception and representation expenses; and purchase (not to exceed thirty-three for replacement only) and hire of passenger motor vehicles; $7,089,300,000, to remain available until September 30, 1994: Provided, That $2,100,000,000 shall be made available for implementing the restructured Space Station Freedom program without substantive deviation from the on-orbit assembly seauence outlined by NASA in March 1990, endorsed by the National Space Council, and confirmed by the Committees on Appropriations in House Report 102- 226: Provided further, That $391,000,000 shall be made available for the development of the Earth Observing System (EOS) and EOS Data Information System (EOSDIS). Of the amounts made available under this heading in Public Law 102-139, $14,300,000 for the Climsat mission are rescinded. SPACE FLIGHT, CONTROL AND DATA COMMUNICATIONS For necessary expenses, not otherwise provided for, in support of space flight, spacecraft control and communications activities of the National Aeronautics and Space Administration, including operations, production, services, minor construction, maintenance, repair, rehabilitation, and modification of real and personal property; tracking and data relay satellite services as authorized by law; purchase, lease, charter, maintenance and operation of mission and administrative aircraft; $5,086,000,000, to remain available until September 30, 1994. CONSTRUCTION OF FACILITIES For construction, repair, rehabilitation and modification of facilities, minor construction of new facilities and additions to existing facilities, and for facility planning and design not otherwise provided, for the National Aeronautics and Space Administration, and for the acquisition or condemnation of real property, as authorized by law, $525,000,000, to remain available until September 30, 1995: Provided, That, notwithstanding the limitation on the availability of funds appropriated under this heading by this appropriations Act, when any activity has been initiated by the incurrence of obligations therefor, the amount available for such activity shall remain available until expended, except that this provision shall not apply to the amounts appropriated pursuant to the authorization for repair, rehabilitation and modification of facilities, minor construction of new facilities and additions to existing facilities, and facility planning and design: Provided further, That no amount appropriated pursuant to this or any other Act may be used for the lease or construction of a new contractor-funded facility for exclusive use in support of a contract or contracts with the National Aeronautics and Space Administration under which the Administration would be required to substantially amortize through payment or reimbursement such contractor investment, unless an appropriations Act specifies the lease or contract pursuant to which such facilities are to be constructed or lesised or such facility is otherwise X identified in such Act: Provided further. That the Administrator may authorize such facility lease or construction, if he determines, in consultation with the Committees on Appropriations, that deferral of such action until the enactment of the next appropriations Act would be inconsistent with the interest of the Nation in aeronautical and space activities.