24. PRIME CONTRACTOR ORDERING FROM FEDERAL SUPPLY SCHEDULES.
Prime Contractors (on cost reimbursement contracts) placing orders under Federal Supply Schedules, on behalf of an ordering
activity, shall follow the terms of the applicable schedule and authorization and include with each order —
(a) A copy of the authorization from the ordering activity with whom the contractor has the prime contract (unless a
copy was previously furnished to the Federal Supply Schedule contractor); and
(b) The following statement:
This order is placed under written authorization from dated . Inthe event of any inconsistency
between the terms and conditions of this order and those of your Federal Supply Schedule contract, the latter will
govern,
25. INSURANCE-—-WORK ON A GOVERNMENT INSTALLATION (JAN 1997)(FAR 52.228-5)
(a) The Contractor shall, at its own expense, provide and maintain during the entire performance of this contract, at
least the kinds and minimum amounts of insurance required in the Schedule or elsewhere in the contract.
(b) Before commencing work under this contract, the Contractor shall notify the Contracting Officer in writing that
the required insurance has heen obtained. The policies evidencing required insurance shall contain an endorsement to the
effect that any cancellation or any material change adversely affecting the Government's interest shall not be effective—
a1) For such period as the laws of the State in which this contract is to be performed prescribe; or
(2) Until 30 days after the insurer or the Contractor gives written notice to the Contracting Officer,
whichever period is longer.
(c) The Contractor shall insert the substance of this clause, including this paragraph (c), in subcontracts under this
contract that require work on a Government installation and shall require subcontractors to provide and maintain the
insurance required in the Schedule or elsewhere in the contract. The Contractor shall maintain a copy of all
subcontractors‘ proofs of required insurance, and shall make copies available to the Contracting Officer upon request.
26. SOFTWARE INTEROPERABILITY.
Offerors are encouraged to identify within their software items any component interfaces that support open standard
interoperability. An item’s interface may be identified as interoperable on the basis of participation in a Government agency-
sponsored program or in an independent organization program. Interfaces may be identified by reference to an interface registered
in the component registry located at http://www.cere.gov.
27. ADVANCE PAYMENTS
A payment under this contract to provide a service or deliver an article for the United States Government may not be more than the
value of the service already provided or the article already delivered. Advance or pre-payment is not authorized or allowed under
this contract. (31 U.S.C. 3324)
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