The liability of an employer prescribed in section 904 of this title shall be exclusive and in place of all other liability of such employer to the employee, his legal representative, husband or wife, parents, dependents, next of kin, and anyone otherwise entitled to recover damages from such employer at law or in admiralty on account of such injury or death, except that if an employer fails to secure payment of compensation as required by this chapter, an injured employee, or his legal representative in case death results from the injury, may elect to claim compensation under the chapter, or to maintain an action at law or in admiralty for damages on account of such injury or death. In such action the defendant may not plead as a defense that the injury was caused by the negligence of a fellow servant, or that the employee assumed the risk of his employment, or that the injury was due to the contributory negligence of the employee. For purposes of this subsection, a contractor shall be deemed the employer of a subcontractor’s employees only if the subcontractor fails to secure the payment of compensation as required by section 904 of this title.

In the event of injury to a person covered under this chapter caused by the negligence of a vessel, then such person, or anyone otherwise entitled to recover damages by reason thereof, may bring an action against such vessel as a third party in accordance with the provisions of section 933 of this title, and the employer shall not be liable to the vessel for such damages directly or indirectly and any agreements or warranties to the contrary shall be void. If such person was employed by the vessel to provide stevedoring services, no such action shall be permitted if the injury was caused by the negligence of persons engaged in providing stevedoring services to the vessel. If such person was employed to provide shipbuilding, repairing, or breaking services and such person’s employer was the owner, owner pro hac vice, agent, operator, or charterer of the vessel, no such action shall be permitted, in whole or in part or directly or indirectly, against the injured person’s employer (in any capacity, including as the vessel’s owner, owner pro hac vice, agent, operator, or charterer) or against the employees of the employer. The liability of the vessel under this subsection shall not be based upon the warranty of seaworthiness or a breach thereof at the time the injury occurred. The remedy provided in this subsection shall be exclusive of all other remedies against the vessel except remedies available under this chapter.

In the event that the negligence of a vessel causes injury to a person entitled to receive benefits under this Act by virtue of section 1333 of title 43, then such person, or anyone otherwise entitled to recover damages by reason thereof, may bring an action against such vessel in accordance with the provisions of subsection (b) of this section. Nothing contained in subsection (b) of this section shall preclude the enforcement according to its terms of any reciprocal indemnity provision whereby the employer of a person entitled to receive benefits under this chapter by virtue of section 1333 of title 43 and the vessel agree to defend and indemnify the other for cost of defense and loss or liability for damages arising out of or resulting from death or bodily injury to their employees.

(Mar. 4, 1927, ch. 509, § 5, 44 Stat. 1426; Pub. L. 92–576, § 18(a), Oct. 27, 1972, 86 Stat. 1263; Pub. L. 98–426, §§ 4(b), 5(a)(1), (b), Sept. 28, 1984, 98 Stat. 1641.)