28 C.F.R. § 65.21 Purpose of assistance.
Title 28 - Judicial Administration
The purpose of emergency Federal law enforcement assistance is to provide necessary assistance to (and through) a state government to provide an adequate response to an uncommon situation which requires law enforcement, which is or threatens to become of serious or epidemic proportions, and with respect to which state and local resources are inadequate to protect the lives and property of citizens, or to enforce the criminal law.
Title 28: Judicial Administration
PART 65—EMERGENCY FEDERAL LAW ENFORCEMENT ASSISTANCE
Subpart C—Purpose of Emergency Federal Law Enforcement Assistance
§ 65.21 Purpose of assistance.