Normally, the NDRB shall function without the immediate attendance of legal counsel. In the event that a legal advisory opinion is deemed appropriate by the NDRB, such opinion shall be obtained routinely by reference to the Counsel assigned to the Office of the Director, Secretary of the Navy Council of Review Boards. In addition, the NDRB may request advisory opinions from staff offices of the Department of the Navy, including, but not limited to the General Counsel and the Judge Advocate General.