Requires a peace officer, who responds to a domestic violence call and has probable cause to believe that a crime has been committed, to seize all firearms and ammunition that he or she believes were used or threatened to be used in the commission of the offense and may seize all firearms and ammunition in plain sight or discovered under a consensual or other lawful search.

Requires a law enforcement agency to: (1) Comply with certain domestic violence requirements before returning a seized firearm or ammunition to the owner or individual from whom the firearm or ammunition was obtained; and

(2) Forward the offense report regarding any incident of domestic violence to the appropriate prosecutor within ten days of making the report.

Requires the criminal justice training commission to implement a course of instruction for training law enforcement officers in the handling of domestic violence complaints.