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e-CFR data is current as of March 3, 2021


49 CFR--PART 173

View Printed Federal Register page 85 FR 83382 in PDF format.

Amendment(s) published December 21, 2020, in 85 FR 83382

Effective Dates: Jan. 20, 2021

23. In §173.31, revise paragraphs (g) introductory text and (g)(3) to read as follows:

§173.31   Use of tank cars.

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(g) Tank car loading and unloading. When placed for loading or unloading and before unsecuring any closure, a tank car must be protected against shifting or coupling as follows:

*  *  *

(3) At least one wheel on the tank car must be blocked against motion in both directions, and the hand brakes must be set. If multiple tank cars are coupled together, sufficient hand brakes must be set and wheels blocked to prevent motion in both directions.

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