{"data":{"id":"us/49-cfr-178.255-3","jurisdiction":"us","citation":"49 CFR 178.255-3","heading":"-3 Expansion domes.","body":"(a) Expansion domes, if applied, must have a minimum capacity of one percent of the combined capacity of the tank and dome.\n(b) [Reserved]","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 178—SPECIFICATIONS FOR PACKAGINGS","Subpart H—Specifications for Portable Tanks"],"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":"37c92c70dd87d9fc16e461f0baff39a26be231760d2dafcfa582602624c23498","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-178.255-2","next":"us/49-cfr-178.255-4"},"notice":"GroundRules: Original legal text. Not legal advice."}