# 49 CFR 171.16(a)(3) — Federal incident notification deadlines by regulation For 49 CFR 171.16(a)(3), governing statute is Hazardous Materials Transportation Act; triggering event is a specification cargo tank with a capacity of 1,000 gallons or greater containing any hazardous material suffers structural damage to the lading retention system 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)(3) - **Governing statute:** Hazardous Materials Transportation Act _(our reading, not quoted from the source)_ - **Triggering event:** a specification cargo tank with a capacity of 1,000 gallons or greater containing any hazardous material suffers structural damage to the lading retention system 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 ## What the source says > cargo tank with a capacity of 1,000 gallons or greater containing any hazardous material suffers structural damage to the lading retention system ## Source - https://www.law.cornell.edu/cfr/text/49/171.16 Last verified: 2026-08-12. Review by: 2027-02-08. Part of [Federal incident notification deadlines by regulation](https://referencesource.org/incident-notification-deadlines/).