The contracting officer shall insert the clause at 352.227-14, Rights in Data - Exceptional Circumstances, and any appropriate alternates in lieu of the FAR clause at 52.227-14, Rights in Data-General, whenever a DEC executed in accordance with Agency policy and procedures calls for its use. Prior to using this clause, a DEC must be executed in accordance with Agency policy and procedures. The contracting officer should reference the DEC in the solicitation and shall attach a copy of the executed DEC to the contract.