48 CFR §15.406-2

1. (a)When certified cost or pricing data are required, the contracting officer shall require the contractor to execute a Certificate of Current Cost or Pricing Data, using the format in this paragraph, and must include the executed certificate in the contract file.
2. (b)The certificate does not constitute a representation as to the accuracy of the contractor's judgment on the estimate f future costs or projections. It applies to the data upon which the judgment or estimate was based. This distinction between fact and judgment should be clearly understood. If the contractor had information reasonably available at the time of agreement showing that the negotiated price was not based on accurate, complete, and current data, the contractor's responsibility is not limited by any lack of personal knowledge of the information on the part of its negotiators.
3. (c)The contracting officer and contractor are encouraged to reach a prior agreement on criteria for establishing closing or cutoff dates when appropriate in order to minimize delays associated with proposal updates. Closing or cutoff dates should be included as part of the data submitted with the proposal and, before agreement on price, data should be updated by the contractor to the latest closing or cutoff dates for which the data are available. Use of cutoff dates coinciding with reports is acceptable, as certain data may not be reasonably available before normal periodic closing dates (e.g., actual indirect costs). Data within the contractor's or a subcontractor's organization on matters significant to contractor management and to the Government will be treated as reasonably available. What is significant depends upon the circumstances of each acquisition.
4. (d)Possession of a Certificate of Current Cost or Pricing Data is not a substitute for examining and analyzing the contractor's proposal.
5. (e)If certified cost or pricing data are requested by the Government and submitted by an offeror, but an exception is later found to apply, the data shall not be considered certified cost or pricing data and shall not be certified in accordance with this subsection.