CFR > Title 49 - Transportation > SUBTITLE B—Other Regulations Relating to Transportation > CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (Parts 105–199) > SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS (Parts 171–181) > PART 179—SPECIFICATIONS FOR TANK CARS > SUBPART C—Specifications for Pressure Tank Car Tanks (Classes DOT-105, 109, 112, 114 and 120) (§179.100 to §179.103-5) > 179.103—Special requirements for class 114A * * * tank car tanks.