; general powers 501 631 Delegation of powers by the Secretary 502 633 Regulations 503 93 Commandant; general powers 504 632 Functions and powers vested in the Commandant 505 520 Prospective payment of funds necessary to provide medical care 506 88 Saving life and property 521 89 Law enforcement 522 99 Enforcement authority 523 100 Enforcement of coastwise trade laws 524 95 Special agents of the Coast Guard Investigative Service law enforcement authority 525 637 Stopping vessels; indemnity for firing at or into vessel 526 91 Safety of naval vessels 527 81 Aids to navigation authorized 541 83 Unauthorized aids to maritime navigation; penalty 542 84 Interference with aids to navigation; penalty 543 85 Aids to maritime navigation; penalty 544 86 Marking of obstructions 545 642 Deposit of damage payments 546 643 Rewards for apprehension of persons interfering with aids to navigation 547 87 Icebreaking in polar regions 561 101 Appeals and waivers 562 103 Notification of certain determinations 563 (c) Additional changes Chapter 5 of title 14, United States Code, is further amended— (1) by inserting before section 501 (as so redesignated and transferred under subsection (b)) the following: I General Powers ; (2) by inserting before section 521 (as so redesignated and transferred under subsection (b)) the following: II Life Saving and Law Enforcement Authorities ; (3) by inserting before section 541 (as so redesignated and transferred under subsection (b)) the following: III Aids to Navigation