Ans. If there is difference of opinion between the two members of AAR, they shall refer the point or points on which they differ to the AAAR for hearing the issue. If the members of AAAR are also unable to come to a common conclusion in regard to the point(s) referred to them by AAR, then it shall be deemed that no advance ruling can be given in respect of the question on which difference persists at the level of AAAR.