Chapter 55. Coastal Barrier Resources 16 U.S. Code §3501. Congressional statement of findings and purpose 16 U.S. Code §3502. Definitions 16 U.S. Code §3503. Establishment of John H. Chafee Coastal Barrier Resources System 16 U.S. Code §3504. Limitations on Federal expenditures affecting the System 16 U.S. Code §3505. Exceptions to limitations on expenditures 16 U.S. Code §3506. Certification of compliance 16 U.S. Code §3507. Priority of laws 16 U.S. Code §3508. Separability 16 U.S. Code §3510. Authorization of appropriations