The Board may investigate any complaint that alleges a violation of this title. On receipt of the results of an investigation made under this section, the Board shall promptly take action that is appropriate under this title to ensure compliance with the title. If the Board concludes that any conduct alleged to be in violation of this title will result in harm to a citizen of the State, the Board may seek a permanent or temporary injunction with respect to the conduct from the circuit court of any county in which the alleged violation occurs. In seeking an injunction under this subsection, the Board is not required to: post bond; allege or prove that an adequate remedy at law does not exist; or allege or prove that substantial or irreparable damage would result from the continued violation of the provision. A member of the Board may not be held personally liable for any action taken under this subsection in good faith and with reasonable grounds. The Board, or a hearing officer designated by the Board, may administer oaths, hold hearings, and take testimony about all matters within the jurisdiction of the Board. The Board or its designee may issue a subpoena for the attendance of a witness to testify or the production of evidence in connection with: a disciplinary action brought under § 6.5-314 of this title; and a proceeding brought for an alleged violation of this title. If a person fails to comply with a subpoena issued under this subsection, on petition of the Board, a court of competent jurisdiction may compel compliance with the subpoena. A member of the Board may not be held personally liable for any action taken under this section.