While it should be done extremely rarely, because of the significant administrative
            and operational problems involved, an ALJ may request that the DDS contact a CE source
            to determine their willingness to appear and testify at a hearing. If questions about
            a CE cannot be resolved through alternative means, such as through information contained
            in the CE report or other evidence in the record, by obtaining additional documentary
            evidence, or by written interrogatory, the ALJ may need to have a CE source appear
            at a hearing. The Office of Hearings Operations (OHO) pays an agreed upon compensation
            for the source’s testimony.
         
         The DDS takes the following actions:
         
            - 
               
                  • 
                     Contact the CE source in writing, advising the source that the ALJ has requested their
                        appearance and testimony concerning the examination of the claimant. The letter must
                        include the claimant's name and date of the CE, and the date, time, place and manner
                        of the hearing if known.
                      
 
 
- 
               
                  • 
                     Ask the CE source to respond to the request in writing, indicating willingness or
                        unwillingness to appear at the hearing.
                      
 
 
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                  • 
                     Notify the ALJ of the results of the contact with the CE source. 
 
 
NOTE: CE sources who will not appear voluntarily (i.e., as requested by an ALJ) may be
            subpoenaed to appear under the same standard applicable to any witness. OHO will attempt
            to obtain testimony from these individuals via audio, agency video, or online video.
            For definitions of audio, agency video, and online video appearances, see the Hearings,
            Appeals and Litigation Law Manual (HALLEX) I-2-0-15.