49 CFR § 190.321 - Contents of written comments.

---
identifier: "/us/cfr/t49/s190.321"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 190.321 - Contents of written comments."
title_number: 49
title_name: "Transportation"
section_number: "190.321"
section_name: "Contents of written comments."
chapter_name: "PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "D"
subchapter_name: "PIPELINE SAFETY"
part_number: "190"
part_name: "PIPELINE SAFETY ENFORCEMENT AND REGULATORY PROCEDURES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1321(b); 49 U.S.C. 60101"
regulatory_source: "45 FR 20413, Mar. 27, 1980, unless otherwise noted."
cfr_part: "190"
---


# 190.321 Contents of written comments.

All written comments must be in English. Any interested person should submit as part of written comments all material considered relevant to any statement of fact. Incorporation of material by reference should be avoided; however, where necessary, such incorporated material must be identified by document title and page.

[Amdt. 190-16, 78 FR 58914, Sept. 25, 2013]