NR 440.642(10)(a)2.2. When the administrator issues a notice of revocation under sub. (4) (p), the manufacturer may request a hearing under this subsection within the time limits in sub. (4) (p) 5. NR 440.642(10)(b)(b) Any hearing request shall be in writing, shall be signed by an authorized representative of the petitioning manufacturer or laboratory, and shall include a statement setting forth with particularity the petitioner’s objection to the administrator’s determination or proposed determination. NR 440.642(10)(c)1.1. Upon receipt of a request for a hearing under par. (a), the administrator shall request the chief administrative law judge to designate an administrative law judge as presiding officer for the hearing. If the chief administrative law judge replies that no administrative law judge is available to perform this function, the administrator shall designate a presiding officer who has not had any prior responsibility for the matter under review, and who is not subject to the direct control or supervision of someone who has had such responsibility. NR 440.642(10)(c)2.2. The hearing shall commence as soon as practicable at a time and place fixed by the presiding officer. NR 440.642(10)(c)3.a.a. A motion for leave to intervene in any proceeding conducted under this section shall set forth the grounds for the proposed intervention, the position and interest of the movant and the likely impact that intervention will have on the expeditious progress of the proceeding. Any person already a party to the proceeding may file an answer to a motion to intervene, making specific reference to the factors in the foregoing sentence and subd. 3. c. within 10 days after service of the motion for leave to intervene. NR 440.642(10)(c)3.b.b. A motion for leave to intervene in a proceeding shall ordinarily be filed before the first prehearing conference or in the absence of a prehearing conference, prior to the setting of a time and place for a hearing. Any motion filed after that time shall include, in addition to the information in subd. 3. a., a statement of good cause for the failure to file in a timely manner. The intervenor shall be bound by any agreements, arrangements and other matters previously made in the proceeding. NR 440.642(10)(c)3.c.c. A motion for leave to intervene may be granted only if the movant demonstrates that his or her presence in the proceeding would not unduly prolong or otherwise prejudice the adjudication of the rights of the original parties, and that movant may be adversely affected by a final order. The intervenor shall become a full party to the proceeding upon the granting of leave to intervene. NR 440.642(10)(c)3.d.d. Persons not parties to the proceeding may move for leave to file amicus curiae briefs. The movant shall state his or her interest and the reasons why the proposed amicus brief is desirable. If the motion is granted, the presiding officer or administrator shall issue an order setting the time for filing such brief. An amicus curia may participate in any briefing after his or her motion is granted, and shall be served with all briefs, reply briefs, motions and orders relating to issues to be briefed. NR 440.642(10)(c)4.4. In computing any period of time prescribed or allowed in this section, the day of the event from which the designated period begins to run may not be included. Saturdays, Sundays, and federal legal holidays shall be included. When a stated time expires on a Saturday, Sunday or legal holiday, the stated time period shall be extended to include the next business day. NR 440.642(10)(d)1.1. Upon appointment, the presiding officer shall establish a hearing file. The file shall consist of the notice issued by the administrator under sub. (4) (e), (L) or (p), or (6) (a) or (e), together with any accompanying material, the request for a hearing and the supporting data submitted therewith, and all documents relating to the request for certification or accreditation, or the proposed revocation of either. NR 440.642(10)(d)2.2. The hearing file shall be available for inspection by any party, to the extent authorized by law, at the office of the presiding officer or other place designated. NR 440.642(10)(e)(e) Any party may appear in person, or may be represented by counsel or by any other duly authorized representative. NR 440.642(10)(f)1.1. The presiding officer, upon the request of any party, or at his or her discretion, may order a prehearing conference at a time and place specified to consider the following: NR 440.642(10)(f)1.e.e. Such other matters as may aid in the disposition of the hearing, including such additional tests as may be agreed upon by the parties. NR 440.642(10)(f)2.2. The results of the conference shall be reduced to writing by the presiding officer and made part of the record. NR 440.642(10)(g)1.1. Hearings shall be conducted by the presiding officer in an informal but orderly and expeditious manner. The parties may offer oral or written evidence, subject to the exclusion by the presiding officer of irrelevant, immaterial and repetitious evidence.