49 C.F.R. § 190.321 Contents of written comments.
Title 49 - Transportation
All written comments must be in English. It is requested, but not required, that five copies be submitted. 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 shall be identified by document title and page.
Title 49: Transportation
PART 190—PIPELINE SAFETY PROGRAMS AND RULEMAKING PROCEDURES
Subpart C—Procedures for Adoption of Rules
§ 190.321 Contents of written comments.