? On the very first page of the PDF you linked: paragraph a, "Not later than one year after the date of the enactment of this Act, the Secretary shall publish

? On the very first page of the PDF you linked: paragraph a, "Not later than one year after the date of the enactment of this Act, the Secretary shall publish in the Federal Register a notice of proposed rulemaking that permits the development, testing, manufacturing and operation of civil supersonic aircraft in the United States." I mean, it's right there. S. 1405 is about operating supersonic aircraft in the US, aircraft that by definition make sonic booms.