{"data":{"id":"us/49-cfr-193.2009","jurisdiction":"us","citation":"49 CFR 193.2009","heading":"Rules of regulatory construction.","body":"(a) As used in this part:\n(1) Includes means including but not limited to;\n(2) May means is permitted to or is authorized to;\n(3) May not means is not permitted to or is not authorized to; and\n(4) Shall or must is used in the mandatory and imperative sense.\n(b) In this part:\n(1) Words importing the singular include the plural; and\n(2) Words importing the plural include the singular.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER D—PIPELINE SAFETY","PART 193—LIQUEFIED NATURAL GAS FACILITIES: FEDERAL SAFETY STANDARDS","Subpart A—General"],"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":"971065ea3548f31a5627f7df9fc71337367454e7c1be03abc223368fd545af6e","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-193.2007","next":"us/49-cfr-193.2011"},"notice":"GroundRules: Original legal text. Not legal advice."}