Section 103.(1). 1

The advance ruling pronounced by the Authority or the
Appellate Authority under this Chapter shall be binding only -
(a) on the applicant who had sought it in respect of any matter
referred to in sub-section (2) of section 97 for advance ruling;
(b) on the concerned officer or the jurisdictional officer in respect of
the applicant.
(2) The advance ruling referred to in subsection (1) shall be binding
unless the law, facts or circumstances supporting the original
advance ruling have changed.
Advance ruling to be void in certain circumstances.-