If the payment of benefits under the provisions of this act to a civil defense volunteer or his dependents prevents such civil defense volunteer or his dependents from receiving equivalent assistance, benefits or other temporary or permanent relief under the provisions of a Federal statute or rule or regulation, then the civil defense volunteer and his dependents shall have no right to and shall not receive any benefits under the provisions of this act for any injury for which the United States Government or any agent thereof will furnish equivalent assistance, benefits or other temporary or permanent relief in the absence of the payment of benefits under this act.
N.J.S. § App.A:9-57.22