((a)) ** .—** Not later than 30 days after the end of each month, a railroad carrier shall file a report with the Secretary of Transportation on all accidents and incidents resulting in injury or death to an individual or damage to equipment or a roadbed arising from the carrier’s operations during the month. The report shall be under oath and shall state the nature, cause, and circumstances of each reported accident or incident. If a railroad carrier assigns human error as a cause, the report shall include, at the option of each employee whose error is alleged, a statement by the employee explaining any factors the employee alleges contributed to the accident or incident.

((b)) ** .—**

((1)) In establishing or changing a monetary threshold for the reporting of a railroad accident or incident, the Secretary shall base damage cost calculations only on publicly available information obtained from—

((A)) the Bureau of Labor Statistics; or

((B)) another department, agency, or instrumentality of the United States Government if the information has been collected through objective, statistically sound survey methods or has been previously subject to a public notice and comment process in a proceeding of a Government department, agency, or instrumentality.

((2)) If information is not available as provided in paragraph (1)(A) or (B) of this subsection, the Secretary may use any other source to obtain the information. However, use of the information shall be subject to public notice and an opportunity for written comment.