---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtB/chX/subchB/part1111"
level: "part"
label: "Part 1111"
heading: "Complaint and Investigation Procedures"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtB-chX-subchB-part1111"
sections_count: 12
---

# Part 1111 — Complaint and Investigation Procedures

Title 49 C.F.R. — Transportation › Subtitle B — Other Regulations Relating to Transportation › Chapter X — Surface Transportation Board › Subchapter B — Rules of Practice

## Sections

- [§1111.1. Pre-filing procedures in stand-alone cost cases.](/cfr/49/1111.1.md)
- [§1111.2. Content of formal complaints; joinder.](/cfr/49/1111.2.md)
- [§1111.3. Amended and supplemental complaints.](/cfr/49/1111.3.md)
- [§1111.4. Service.](/cfr/49/1111.4.md)
- [§1111.5. Answers and cross complaints.](/cfr/49/1111.5.md)
- [§1111.6. Motions to dismiss or to make more definite.](/cfr/49/1111.6.md)
- [§1111.7. Satisfaction of complaint.](/cfr/49/1111.7.md)
- [§1111.8. Investigations on the Board's own motion.](/cfr/49/1111.8.md)
- [§1111.9. Procedural schedule in stand-alone cost cases.](/cfr/49/1111.9.md)
- [§1111.10. Procedural schedule in cases using simplified standards.](/cfr/49/1111.10.md)
- [§1111.11. Meeting to discuss procedural matters.](/cfr/49/1111.11.md)
- [§1111.12. Streamlined market dominance.](/cfr/49/1111.12.md)