Ask X3What does 49 CFR 107.309 (Warning letters) require?
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Based on 49 CFR 107.309, a warning letter issued by the Associate Administrator includes the following practical elements:
1. A statement of facts detailing why they believe you have committed a probable violation of the hazardous material transportation law, the Federal Water Pollution Control Act, or specific subchapters or special permits.
2. A notice stating that if you repeat the cited probable violations, it may subject you to further enforcement action.
3. An opportunity to respond by submitting relevant information or explanations regarding the probable violations cited.