The Indian Stamp Act,1899
Section 56. Control have, and statement of case to, Chief Controlling Revenue-authority
(1) The power exercisable by a Collector under Chapter IV and Chapter V and under clause (a) of the first proviso to Section 26 shall in all cases be subject to the control of the Chief Controlling Revenue-authority.
(2) If any Collector, acting under Section 31, Section 40 or Section 41, feels doubt as to the amount of duty with which any instrument is chargeable, he may draw up a Statement of the case, and refer it, with his own opinion thereon, for the decision of the Chief Controlling Revenue-authority.
(3) Such authority shall consider the case and a copy of its decision to the Collector who shall proceed to assess and charge the duty (if any) in conformity with such decision.