; or (2) knowledge of a law enforcement officer about a peer support participant not gained from a peer support communication. (e) Disclosure of rights Before the initial peer support counseling session of a peer support participant, a peer support specialist shall inform the peer support participant in writing of the confidentiality requirement under subsection (b) and the exceptions to the requirement under subsection (c). 3. Best practices and support (a) Definitions In this section: (1) First responder The term first responder has the meaning given the term public safety officer in section 1204 of title I of the Omnibus Crime Control and Safe Streets Act of 1968 ( 34 U.S.C. 10284 ). (2) First responder agency The term first responder agency means a Federal, State, local, or Tribal agency that employs or otherwise engages the services of a first responder. (3) Peer support counseling program The term peer support counseling program means a program provided by a first responder agency that provides counseling services from a peer support specialist to a first responder of the first responder agency. (4) Peer support participant The term peer support participant means a first responder who receives counseling services from a peer support specialist. (5) Peer support specialist The term peer support specialist means a first responder who— (A) has received training in— (i) peer support counseling; and (ii) providing emotional and moral support to first responders who have been involved in or exposed to an emotionally traumatic experience in the course of the duties of the first responder