Practice of Law Before Shari’ah Courts. – The following are eligible to practice before Shari’ah courts:
(a) A Shari’ah counselor-at-law; and
(b) A regular member of the Philippine Bar: Provided, That a Muslim, or non-Muslim who submits to the jurisdiction of the Shari’ah court, who acts on one’s behalf as counsel, shall be allowed to appear as such before any Shari’ah court.