(a) Time for filing. An application for temporary relief from enforcement of a mandatory standard may be filed at any time before a proposed decision and order is issued on a petition for modification and shall be served upon all parties to the proceeding.

(b) With whom filed. The application shall be filed with and decided by the appropriate Administrator.

(c) Investigation and decision. Upon receipt of an application for temporary relief, the Administrator shall cause an investigation to be made as to the merits of the application. As soon thereafter as practicable, but in no event greater than 60 days from filing of the application, the Administrator shall issue a decision. If the Administrator does not issue a decision within 60 days of filing of the application, the application shall be deemed to be denied.

(d) Contents of application. An application for temporary relief shall comply with applicable general requirements of this part, state the specific relief requested, and include specific evidence showing how the applicant meets the criteria set forth in paragraph (e) of this section.

(e) Criteria. Before temporary relief is granted, the applicant must clearly show that -

(f) Response. All parties to the proceeding in which an application for temporary relief has been filed shall have 15 days from receipt of the application to file a written response with the Administrator.

(g) Evidence. An application for temporary relief or a response to such an application may be supported by affidavits or other evidentiary matter.

(h) Findings. Temporary relief may be granted by the Administrator upon a finding that application of the standard at the mine will result in a diminution of safety to the miners at such mine.

(i) Appeal to the Office of the Administrative Law Judges. If the application for temporary relief is granted by the Administrator, any other party may request a hearing within 15 days of the Administrator's decision. The request shall be addressed to the Administrator and shall be referred by the Administrator, along with the petition for modification, to the Chief Administrative Law Judge in accordance with § 44.15. The hearing and decision of the presiding administrative law judge shall be in accordance with subparts C through E of this part. After referral of the petition for modification and application for temporary relief, no further decision shall be rendered by the Administrator.

(j) Duration of relief. An order granting temporary relief shall be effective until superseded by the Administrator's proposed decision and order, unless a hearing is requested in accordance with paragraph (i) of this section. If such hearing is requested, the temporary relief shall remain in effect until modified, affirmed or set aside by the presiding administrative law judge. In no case, however, shall the Administrator's order remain in effect for more than one year, unless renewed or affirmed by the presiding administrative law judge.

(k) Application for relief to give effect to the proposed decision and order. At any time following the proposed decision and order of the Administrator on the accompanying petition for modification, any party may request relief to give effect to the proposed decision and order until it becomes final.

(l) An application for relief under paragraph (k) shall be filed with the Administrator and shall include a good faith representation that no party is expected to contest the granting of the petition for modification.

(m) A decision to grant relief requested under paragraph (k) will take effect on the seventh day following the decision. If a request for hearing on the proposed decision and order is filed in accordance with § 44.14 prior to the seventh day following the granting of such relief, the relief will not become effective. If such request for hearing on the proposed decision and order is filed after relief becomes effective, the relief will expire immediately.