{"data":{"id":"us/49-cfr-179.220-16","jurisdiction":"us","citation":"49 CFR 179.220-16","heading":"-16 Expansion capacity.","body":"Expansion capacity must be provided in the shell of the inner container as prescribed in § 179.221-1.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS","PART 179—SPECIFICATIONS FOR TANK CARS","Subpart D—Specifications for Non-Pressure Tank Car Tanks (Classes DOT-111AW, 115AW, and 117AW)"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"1909ad664350cd632719fccba845addb1709e4cde3613e9060c99874c632e2fd","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-179.220-15","next":"us/49-cfr-179.220-17"},"notice":"GroundRules: Original legal text. Not legal advice."}