final payment of the contract.
(d) If the Cont ractor's proposal includes the cost of property made
obsolete or excess by the change, the Contracting Officer shall have the
right to prescribe the manner of the disposition of the property.
(e) Failure to agree to any adjustment shall be a dispute under the
Disputes clause. However, nothing in this clause shall excuse the
Contractor from proceeding with the contract as changed.
(f) No services for which an additional cost or fee will be charged by
the Contractor shall be furnished without the prior written authorization
of the Contracting Officer.
SUBCONTRACTORS AND OUTSIDE ASSOCIATES, AND
CONSULTANTS (APR 1984)
Any subcontractors and outside associates or consultants required by
the Contractor in connection with the services covered by the contract will
be limited to individuals or firms that were specifically identified and
agreed to during negotiations. The Contractor shall obtain the Contracting
Officer's written consent before making any substitution for these
subcontractors, associates, or consultants.
FAR 52.247-63, PREFERENCE FOR U.S.-FLAG AIR CARRIERS (APR 1984)
(a) "International air transportation," as used in this clause, means
transportation by air between a place in the United States and a place
outside the United States or between two places both of which are outside
the United States.
"United States," as used in this clause, means the 50 States, the
District of Columbia, the Commonwealth of Puerto Rico, and possessions of
the United States.
"U.S.-flag air carrier," as used in this clause, means an air
carrier holding a certificate under section 401 of the Federal Aviation Act
of 1958 (49 U.S.C. 1371).
(b) Section 5 of the International Air Transportation Fair Competitive
Practices Act of 1974 (49 U.S.C. 1517) (Fly America Act) requires that all
Federal agencies and Government contractors and subcontractors use
U.S.-flag air carriers for U.S. Government-financed international air
transportation of personnel (and their personal effects) or property, to
the extent that service by those carriers is available. It requires the
Comptroller General of the United States, in the absence of satisfactory
proof of the necessity for foreign-flag air transportation, to disallow
expenditures from funds, appropriated or otherwise established for the
account of the United States, for international air transportation secured
aboard a foreign-flag air carrier if a U.S. -flag air carrier is available
to provide such services.