; (ii) are capable of coordinating with emergency response systems, crisis intervention hotlines, and hospitals furnishing crisis stabilization services (as defined in section 1833(t)(23)); and (iii) meet other criteria determined appropriate by the Secretary to ensure quality of care and program integrity. (E) Additional clarification The Secretary shall allow for auxiliary personnel (as defined in section 410.26(a)(1) of title 42, Code of Federal Regulations, or any successor regulation), including peer support specialists (as defined in subsection (i)(4)(B)), to furnish mobile crisis response team services under the supervision of a physician or practitioner billing for such services under this section. .