49 CFR 171.16(a)(4)
For 49 CFR 171.16(a)(4), governing statute is Hazardous Materials Transportation Act; triggering event is an undeclared hazardous material is discovered during transportation; notification deadline is within 30 days of discovery of the incident; notification recipient is Information Systems Manager, PHH-60, Pipeline and Hazardous Materials Safety Administration, Department of Transportation; required method is written Hazardous Materials Incident Report on DOT Form F 5800.1, or electronic report, recorded from its source on 2026-08-12.
- Regulation
- 49 CFR 171.16(a)(4)
- Governing statute
- Hazardous Materials Transportation Act our reading
- Triggering event
- an undeclared hazardous material is discovered during transportation
- Notification deadline
- within 30 days of discovery of the incident
- Notification recipient
- Information Systems Manager, PHH-60, Pipeline and Hazardous Materials Safety Administration, Department of Transportation
- Required method
- written Hazardous Materials Incident Report on DOT Form F 5800.1, or electronic report
- Follow-up requirement
- report must be updated within one year if damage/loss changes by $25,000 or more or 10% of prior estimate
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
undeclared hazardous material is discovered
— law.cornell.edu, retrieved 2026-08-12
Source
- law.cornell.eduhttps://www.law.cornell.edu/cfr/text/49/171.16