20 C.F.R. § 405.705 When the expedited appeals process may be used.
Title 20 - Employees' Benefits
If you have filed a disability claim, you may use the expedited appeals process if all of the following requirements are met: (a) You have received an initial determination and a decision by a Federal reviewing official, but an administrative law judge has not made a decision; (b) You have submitted a written request for the expedited appeals process; and (c) You have our written agreement to use the expedited appeals process as required in §405.715.
Title 20: Employees' Benefits
PART 405—ADMINISTRATIVE REVIEW PROCESS FOR ADJUDICATING INITIAL DISABILITY CLAIMS
Subpart H—Expedited Appeals Process for Constitutional Issues
§ 405.705 When the expedited appeals process may be used.

