(b)by a registered valuer in connection with any matter relating to the valuation of any immovable property for the purposes of this Chapter or the estimation of the amount by which the compensation payable under sub-section (1) of section 269-J for the acquisition of any immovable property may be reduced or, as the case may be, increased in accordance with the provisions of clause (a) or clause (b) of sub-section (2) of that section.