(a) Any person may request a Federal inspection under § 842.11(b) by providing to an authorized representative a signed, written statement (or an oral report followed by a signed, written statement) setting forth information that, along with any other information the complainant chooses to provide, may give the authorized representative reason to believe that a violation, condition, or practice referred to in § 842.11(b)(1)(i) exists. In making this determination, the authorized representative will
(a) Except as provided in paragraphs (b) and (c) of this section, a notice of violation or cessation order which requires cessation of mining, expressly or by necessary implication, shall expire within 30 days after it is served unless an informal public hearing has been held within that time. The hearing shall be held at or reasonably close to the mine site so that it may be viewed during the hearing or at any other location acceptable to the Office and the person to whom the notice or order was