49 CFR §245.407

1. (a)If adversely affected by the Board's decision, either the petitioner before the Board or the railroad involved shall have a right to an administrative proceeding as prescribed by § 245.409.
2. (b)To exercise that right, the adversely affected party shall file a written request for a hearing within 20 days of service of the Board's decision on that party. The request must be filed in the docket on https://www.regulations.gov that was used when the case was before the Board.
3. (c)A written request for a hearing must contain the following:
   1. (1)The name, telephone number, and email address of the requesting party and the requesting party's designated representative (if any);
   2. (2)The name, telephone number, and email address of the respondent;
   3. (3)The docket number for the case while it was before the Board;
   4. (4)The specific factual issues, industry rules, regulations, or laws that the requesting party alleges need to be examined in connection with the certification decision in question; and
   5. (5)The signature of the requesting party or the requesting party's representative (if any).
4. (d)Upon receipt of a hearing request complying with paragraph (c) of this section, FRA shall arrange for the appointment of a presiding officer who shall schedule the hearing for the earliest practicable date.
5. (e)If a party fails to request a hearing within the period provided in paragraph (b) of this section, the Board's decision will constitute final agency action.