N.J. Stat. § App.A:9-57.20
Should the United States Government or any agent thereof, in accordance with any Federal statute or rule or regulation, furnish monetary assistance, benefits or other temporary or permanent relief to civil defense volunteers or to civil defense volunteers and their dependents for injuries arising out of and in the course of authorized civil defense service, then the amount of benefits which the civil defense volunteer or his dependents are otherwise entitled to receive under this act shall be reduced by the amount of monetary assistance, benefits or other temporary or permanent relief the civil defense volunteer or his dependents have received or will receive from the United States or any agent thereof as a result of the injury.
N.J.S. § App.A:9-57.20