; (ii) initiates, cooperates, or otherwise participates in an investigation or proceeding brought by a regulatory agency or private accreditation body concerning matters covered by this subsection; or (iii) informs or discusses with other employees, with representatives of those employees, or with representatives of associations of health care professionals, violations or suspected violations of this subsection. (B) Retaliatory reporting A provider of services may not file a complaint or a report against a nurse with the appropriate State professional disciplinary agency because the nurse refused to comply with a request to work mandatory overtime. (C) Good faith For purposes of this paragraph, a nurse is deemed to be acting in good faith if the nurse reasonably believes— (i) that the information reported or disclosed is true; and (ii) that a violation has occurred or may occur. (5) Notice policy and requirements (A) Requirement to develop a policy and procedure Each provider of services shall develop a policy and have in place procedures to ensure, at a minimum, that— (i) mandatory overtime, when required as described in paragraph (2)(B), is documented in writing