How do I modify a hazardous materials special permit?

Short answer

To modify a hazardous materials special permit, you must submit an application to the Associate Administrator for Hazardous Materials Safety, including a detailed description of the proposed modification and justification for the change. The application must be submitted at least 120 days before the requested effective date.

The rule says

"Each application for a special permit or modification of a special permit and all supporting documents must be written in English and submitted for timely consideration at least 120 days before the requested effective date and conform to the following requirements" (49 CFR 107.105(a))

"The application must include the following information that is relevant to the special permit proposal: (1) A citation of the specific regulation from which the applicant seeks relief; (2) The proposed mode or modes of transportation, including a description of all operational controls required" (49 CFR 107.105(c)(1)-(2))

In plain English

Modifying a hazardous materials special permit requires a thorough application process, including a detailed description of the proposed change and justification for why it's needed. The Associate Administrator for Hazardous Materials Safety will review the application to determine whether the modification is acceptable.

What to do

• Submit an application for modification of the special permit to the Associate Administrator for Hazardous Materials Safety
• Include a detailed description of the proposed modification and justification for the change
• Ensure the application is submitted at least 120 days before the requested effective date
• Verify that the modification maintains an equivalent level of safety as the original permit