29 CFR 502.37: Referral to Administrative Law Judge.

(a) Upon receipt of a timely request for a hearing filed pursuant to and in accordance with § 501.33, the Administrator, WHD, by the Associate Solicitor for the Division of Fair Labor Standards or by the Regional Solicitor for the Region in which the action arose, shall, by Order of Reference, promptly refer a copy of the notice of administrative determination complained of, and the original or a duplicate copy of the request for hearing signed by the person requesting such hearing or by the authorized representative of such person, to the Chief Administrative Law Judge, for a determination in an administrative proceeding as provided herein. The notice of administrative determination and request for hearing shall be filed of record in the Office of the Chief Administrative Law Judge and shall, respectively, be given the effect of a complaint and answer thereto for purposes of the administrative proceeding, subject to any amendment that may be permitted under these regulations or 29 CFR part 18.

(b) A copy of the Order of Reference, together with a copy of these regulations, shall be served by counsel for the Administrator, WHD upon the person requesting the hearing, in the manner provided in 29 CFR 18.3.