Prohibition on no-knock warrants

(a) Federal prohibition Notwithstanding any other provision of law, a Federal law enforcement officer (as defined in section 115 of title 18, United States Code) may not execute a warrant until after the officer provides notice of his or her authority and purpose. (b) State and local law enforcement agencies Beginning in the first fiscal year beginning after the date of enactment of this Act, and each fiscal year thereafter, a State or local law enforcement agency that receives funds from the Department of Justice during the fiscal year may not execute a warrant that does not require the law enforcement officer serving the warrant to provide notice of his or her authority and purpose before forcibly entering a premises.