49 C.F.R. § 179.20 Service equipment; protection systems.
Title 49 - Transportation
If an applicable tank car specification authorizes location of filling or discharge connections in the bottom shell, the connections must be designed, constructed, and protected according to paragraphs E9.00 and E10.00 of the AAR Specifications for Tank Cars (IBR, see §171.7 of this subchapter). [68 FR 75759, Dec. 31, 2003]
Title 49: Transportation
PART 179—SPECIFICATIONS FOR TANK CARS
Subpart B—General Design Requirements
§ 179.20 Service equipment; protection systems.
