(a) Investigations.--The civil service board shall have the power to conduct investigations concerning all matters relating to the administration and enforcement of its rules and regulations. The chairperson shall be authorized to administer oaths and affirmations for witnesses testifying in matters before the board.
(b) Subpoenas.--The civil service board shall have the power to issue subpoenas over the signature of the chairperson or designee and to require the attendance of witnesses and the production of records and papers pertaining to matters before the board, including any background investigation conducted pursuant to any applicable rules and regulations.