For purposes of this section and except as otherwise provided in this section, the Board shall exercise the authorities of the Federal Labor Relations Authority under sections
and of the President under section
. For purposes of this section, any petition or other submission that, under chapter
, would be submitted to the Federal Labor Relations Authority shall, if brought under this section, be submitted to the Board. The Board shall refer any matter under this paragraph to a hearing officer for decision pursuant to subsections (b) through (h) ofsection
of this title, subject to review by the Board pursuant to section
of this title. The Board may direct that the General Counsel carry out the Board’s investigative authorities under this paragraph.