Chapter 90. Propane Education and Research 15 U.S. Code §6401. Findings 15 U.S. Code §6402. Definitions 15 U.S. Code §6403. Referenda 15 U.S. Code §6404. Propane Education and Research Council 15 U.S. Code §6405. Assessments 15 U.S. Code §6406. Compliance 15 U.S. Code §6407. Lobbying restrictions 15 U.S. Code §6408. Market survey and consumer protection 15 U.S. Code §6409. Pricing 15 U.S. Code §6410. Relation to other programs 15 U.S. Code §6411. Reports